70257082 has 48 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 28510944.

The previous prime is 70257059. The next prime is 70257097. The reversal of 70257082 is 28075207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167469 + ... + 167887.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 2^70257082 is an apocalyptic number.

70257082 is the 6844-th pentagonal number.

70257082 is a deficient number, since it is larger than the sum of its proper divisors (59018918).

70257082 is a wasteful number, since it uses less digits than its factorization.

70257082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70257082 is about 8381.9497731733. The cubic root of 70257082 is about 412.6324413415.

The spelling of 70257082 in words is "seventy million, two hundred fifty-seven thousand, eighty-two".