70038664 has 16 divisors (see below), whose sum is σ = 133549200. Its totient is φ = 34425552.

The previous prime is 70038659. The next prime is 70038667. The reversal of 70038664 is 46683007.

It is not an unprimeable number, because it can be changed into a prime (70038667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73722 + ... + 74665.

It is an arithmetic number, because the mean of its divisors is an integer number (8346825).

Almost surely, 2^70038664 is an apocalyptic number.

It is an amenable number.

70038664 is a deficient number, since it is larger than the sum of its proper divisors (63510536).

70038664 is a wasteful number, since it uses less digits than its factorization.

70038664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148452 (or 148448 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 70038664 is about 8368.9105623134. The cubic root of 70038664 is about 412.2043947647.

The spelling of 70038664 in words is "seventy million, thirty-eight thousand, six hundred sixty-four".