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70796768 = 2572163277
BaseRepresentation
bin1000011100001…
…00010111100000
311221012211220112
410032010113200
5121110444033
611005230452
71516522400
oct416042740
9157184815
1070796768
1136a65729
121b862428
131188a3a3
14958c800
156336c48
hex43845e0

70796768 has 72 divisors (see below), whose sum is σ = 163720872. Its totient is φ = 30046464.

The previous prime is 70796767. The next prime is 70796771. The reversal of 70796768 is 86769707.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70796767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255446 + ... + 255722.

It is an arithmetic number, because the mean of its divisors is an integer number (2273901).

Almost surely, 270796768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70796768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81860436).

70796768 is an abundant number, since it is smaller than the sum of its proper divisors (92924104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70796768 is a wasteful number, since it uses less digits than its factorization.

70796768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 70796768 is about 8414.0815303870. The cubic root of 70796768 is about 413.6863050333.

The spelling of 70796768 in words is "seventy million, seven hundred ninety-six thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 163 196 224 277 326 392 554 652 784 1108 1141 1304 1568 1939 2216 2282 2608 3878 4432 4564 5216 7756 7987 8864 9128 13573 15512 15974 18256 27146 31024 31948 36512 45151 54292 62048 63896 90302 108584 127792 180604 217168 255584 316057 361208 434336 632114 722416 1264228 1444832 2212399 2528456 4424798 5056912 8849596 10113824 17699192 35398384 70796768