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70973712 = 2433164291
BaseRepresentation
bin1000011101011…
…11100100010000
311221112211122000
410032233210100
5121132124322
611013114000
71521160305
oct416574420
9157484560
1070973712
1137076667
121b928900
131191caa4
1495d70ac
15636e3ac
hex43af910

70973712 has 40 divisors (see below), whose sum is σ = 203722080. Its totient is φ = 23657760.

The previous prime is 70973681. The next prime is 70973717. The reversal of 70973712 is 21737907.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (70973717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81714 + ... + 82577.

It is an arithmetic number, because the mean of its divisors is an integer number (5093052).

Almost surely, 270973712 is an apocalyptic number.

70973712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70973712 is an abundant number, since it is smaller than the sum of its proper divisors (132748368).

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

70973712 is a wasteful number, since it uses less digits than its factorization.

70973712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164308 (or 164296 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 70973712 is about 8424.5897229479. The cubic root of 70973712 is about 414.0306635553.

The spelling of 70973712 in words is "seventy million, nine hundred seventy-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 164291 328582 492873 657164 985746 1314328 1478619 1971492 2628656 2957238 3942984 4435857 5914476 7885968 8871714 11828952 17743428 23657904 35486856 70973712