70564144 has 40 divisors (see below), whose sum is σ = 165444768. Its totient is φ = 28462080.

The previous prime is 70564133. The next prime is 70564159. The reversal of 70564144 is 44146507.

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 7 ways as a sum of consecutive naturals, for example, 16627 + ... + 20434.

Almost surely, 2^70564144 is an apocalyptic number.

It is an amenable number.

70564144 is an abundant number, since it is smaller than the sum of its proper divisors (94880624).

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

70564144 is a wasteful number, since it uses less digits than its factorization.

70564144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37093 (or 37087 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 70564144 is about 8400.2466630451. The cubic root of 70564144 is about 413.2327110828.

The spelling of 70564144 in words is "seventy million, five hundred sixty-four thousand, one hundred forty-four".