70701139657 has 8 divisors (see below), whose sum is σ = 73629981000. Its totient is φ = 67805023104.

The previous prime is 70701139637. The next prime is 70701139679. The reversal of 70701139657 is 75693110707.

It can be written as a sum of positive squares in 4 ways, for example, as 19762455241 + 50938684416 = 140579^2 + 225696^2 .

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 70701139657 - 2²³ = 70692751049 is a prime.

It is a super-2 number, since 2×70701139657² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70701139637) 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, 8176788 + ... + 8185429.

It is an arithmetic number, because the mean of its divisors is an integer number (9203747625).

Almost surely, 2^70701139657 is an apocalyptic number.

It is an amenable number.

70701139657 is a deficient number, since it is larger than the sum of its proper divisors (2928841343).

70701139657 is a wasteful number, since it uses less digits than its factorization.

70701139657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16362395.

The product of its (nonzero) digits is 277830, while the sum is 46.

The spelling of 70701139657 in words is "seventy billion, seven hundred one million, one hundred thirty-nine thousand, six hundred fifty-seven".