70644748 has 12 divisors (see below), whose sum is σ = 123868360. Its totient is φ = 35253792.

The previous prime is 70644731. The next prime is 70644757. The reversal of 70644748 is 84744607.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70644748.

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, 14793 + ... + 18976.

Almost surely, 2^70644748 is an apocalyptic number.

It is an amenable number.

70644748 is a deficient number, since it is larger than the sum of its proper divisors (53223612).

70644748 is a wasteful number, since it uses less digits than its factorization.

70644748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34296 (or 34294 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 70644748 is about 8405.0430100030. The cubic root of 70644748 is about 413.3899936778.

It can be divided in two parts, 706 and 44748, that added together give a palindrome (45454).

The spelling of 70644748 in words is "seventy million, six hundred forty-four thousand, seven hundred forty-eight".