70056686 has 32 divisors (see below), whose sum is σ = 127695360. Its totient is φ = 28156896.

The previous prime is 70056661. The next prime is 70056703. The reversal of 70056686 is 68665007.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26120 + ... + 28676.

It is an arithmetic number, because the mean of its divisors is an integer number (3990480).

Almost surely, 2^70056686 is an apocalyptic number.

70056686 is a deficient number, since it is larger than the sum of its proper divisors (57638674).

70056686 is a wasteful number, since it uses less digits than its factorization.

70056686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 70056686 is about 8369.9872162387. The cubic root of 70056686 is about 412.2397471929.

The spelling of 70056686 in words is "seventy million, fifty-six thousand, six hundred eighty-six".