70675057257 has 8 divisors (see below), whose sum is σ = 107695325376. Its totient is φ = 40385746992.

The previous prime is 70675057223. The next prime is 70675057279. The reversal of 70675057257 is 75275057607.

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

It is not a de Polignac number, because 70675057257 - 2⁷ = 70675057129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70675053257) 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, 1682739438 + ... + 1682739479.

It is an arithmetic number, because the mean of its divisors is an integer number (13461915672).

Almost surely, 2^70675057257 is an apocalyptic number.

It is an amenable number.

70675057257 is a deficient number, since it is larger than the sum of its proper divisors (37020268119).

70675057257 is a wasteful number, since it uses less digits than its factorization.

70675057257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365478927.

The product of its (nonzero) digits is 3601500, while the sum is 51.

The spelling of 70675057257 in words is "seventy billion, six hundred seventy-five million, fifty-seven thousand, two hundred fifty-seven".