70624940 has 12 divisors (see below), whose sum is σ = 148312416. Its totient is φ = 28249968.

The previous prime is 70624903. The next prime is 70624943. The reversal of 70624940 is 4942607.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70624897 and 70624906.

It is not an unprimeable number, because it can be changed into a prime (70624943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765604 + ... + 1765643.

It is an arithmetic number, because the mean of its divisors is an integer number (12359368).

Almost surely, 2^70624940 is an apocalyptic number.

It is an amenable number.

70624940 is an abundant number, since it is smaller than the sum of its proper divisors (77687476).

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

70624940 is a wasteful number, since it uses less digits than its factorization.

70624940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531256 (or 3531254 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70624940 is about 8403.8645872003. The cubic root of 70624940 is about 413.3513534172.

The spelling of 70624940 in words is "seventy million, six hundred twenty-four thousand, nine hundred forty".