70018664 has 16 divisors (see below), whose sum is σ = 131510400. Its totient is φ = 34949232.

The previous prime is 70018651. The next prime is 70018687. The reversal of 70018664 is 46681007.

It is a super-2 number, since 2×70018664² = 9805226616689792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70018664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (8219400).

Almost surely, 2^70018664 is an apocalyptic number.

It is an amenable number.

70018664 is a deficient number, since it is larger than the sum of its proper divisors (61491736).

70018664 is a wasteful number, since it uses less digits than its factorization.

70018664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032 (or 15028 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70018664 is about 8367.7155783404. The cubic root of 70018664 is about 412.1651551397.

The spelling of 70018664 in words is "seventy million, eighteen thousand, six hundred sixty-four".