65970624 has 56 divisors (see below), whose sum is σ = 182148480. Its totient is φ = 21032704.

The previous prime is 65970623. The next prime is 65970677. The reversal of 65970624 is 42607956.

65970624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65970623) 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 7 ways as a sum of consecutive naturals, for example, 3054 + ... + 11885.

Almost surely, 2^65970624 is an apocalyptic number.

65970624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65970624 is an abundant number, since it is smaller than the sum of its proper divisors (116177856).

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

65970624 is a wasteful number, since it uses less digits than its factorization.

65970624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14977 (or 14967 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 65970624 is about 8122.2302355942. The cubic root of 65970624 is about 404.0640358580.

The spelling of 65970624 in words is "sixty-five million, nine hundred seventy thousand, six hundred twenty-four".