65622964 has 24 divisors (see below), whose sum is σ = 125522208. Its totient is φ = 29771040.

The previous prime is 65622961. The next prime is 65622983. The reversal of 65622964 is 46922656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65622961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28687 + ... + 30889.

It is an arithmetic number, because the mean of its divisors is an integer number (5230092).

Almost surely, 2^65622964 is an apocalyptic number.

It is an amenable number.

65622964 is a deficient number, since it is larger than the sum of its proper divisors (59899244).

65622964 is a wasteful number, since it uses less digits than its factorization.

65622964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2893 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 65622964 is about 8100.8002073869. The cubic root of 65622964 is about 403.3529901097.

The spelling of 65622964 in words is "sixty-five million, six hundred twenty-two thousand, nine hundred sixty-four".