70457636 has 12 divisors (see below), whose sum is σ = 123359628. Its totient is φ = 35212032.

The previous prime is 70457627. The next prime is 70457663. The reversal of 70457636 is 63675407.

It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 6553600 = 7994^2 + 2560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70457636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14600 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (10279969).

Almost surely, 2^70457636 is an apocalyptic number.

It is an amenable number.

70457636 is a deficient number, since it is larger than the sum of its proper divisors (52901992).

70457636 is a wasteful number, since it uses less digits than its factorization.

70457636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8398 (or 8396 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 70457636 is about 8393.9046932879. The cubic root of 70457636 is about 413.0246982046.

The spelling of 70457636 in words is "seventy million, four hundred fifty-seven thousand, six hundred thirty-six".