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70667701 = 139756041
BaseRepresentation
bin1000011011001…
…00110110110101
311220222021212021
410031210312311
5121042331301
611002353141
71515444166
oct415446665
9156867767
1070667701
1136987765
121b7bb7b1
1311843710
14955776d
15630d8a1
hex4364db5

70667701 has 8 divisors (see below), whose sum is σ = 76889624. Its totient is φ = 64558080.

The previous prime is 70667689. The next prime is 70667711. The reversal of 70667701 is 10776607.

70667701 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 6507601 + 64160100 = 2551^2 + 8010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70667701 - 215 = 70634933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70667711) 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, 26760 + ... + 29281.

It is an arithmetic number, because the mean of its divisors is an integer number (9611203).

Almost surely, 270667701 is an apocalyptic number.

It is an amenable number.

70667701 is a deficient number, since it is larger than the sum of its proper divisors (6221923).

70667701 is a wasteful number, since it uses less digits than its factorization.

70667701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56151.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 70667701 is about 8406.4083293640. The cubic root of 70667701 is about 413.4347599832.

The spelling of 70667701 in words is "seventy million, six hundred sixty-seven thousand, seven hundred one".

Divisors: 1 13 97 1261 56041 728533 5435977 70667701