70663624 has 16 divisors (see below), whose sum is σ = 132583500. Its totient is φ = 35308032.

The previous prime is 70663591. The next prime is 70663631. The reversal of 70663624 is 42636607.

It can be written as a sum of positive squares in 2 ways, for example, as 57486724 + 13176900 = 7582^2 + 3630^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70663624.

It is an unprimeable number.

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, 21652 + ... + 24700.

Almost surely, 2^70663624 is an apocalyptic number.

It is an amenable number.

70663624 is a deficient number, since it is larger than the sum of its proper divisors (61919876).

70663624 is a wasteful number, since it uses less digits than its factorization.

70663624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 70663624 is about 8406.1658322924. The cubic root of 70663624 is about 413.4268091281.

The spelling of 70663624 in words is "seventy million, six hundred sixty-three thousand, six hundred twenty-four".