70664704 has 40 divisors (see below), whose sum is σ = 154039248. Its totient is φ = 32117760.

The previous prime is 70664687. The next prime is 70664707. The reversal of 70664704 is 40746607.

It is a self number, because there is not a number n which added to its sum of digits gives 70664704.

It is not an unprimeable number, because it can be changed into a prime (70664707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 11905.

Almost surely, 2^70664704 is an apocalyptic number.

It is an amenable number.

70664704 is an abundant number, since it is smaller than the sum of its proper divisors (83374544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70664704 is a wasteful number, since it uses less digits than its factorization.

70664704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576 (or 12560 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 70664704 is about 8406.2300706083. The cubic root of 70664704 is about 413.4289153447.

The spelling of 70664704 in words is "seventy million, six hundred sixty-four thousand, seven hundred four".