65622064 has 10 divisors (see below), whose sum is σ = 127142780. Its totient is φ = 32811024.

The previous prime is 65622049. The next prime is 65622077. The reversal of 65622064 is 46022656.

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 as a sum of consecutive naturals, namely, 2050674 + ... + 2050705.

It is an arithmetic number, because the mean of its divisors is an integer number (12714278).

Almost surely, 2^65622064 is an apocalyptic number.

It is an amenable number.

65622064 is a deficient number, since it is larger than the sum of its proper divisors (61520716).

65622064 is a wasteful number, since it uses less digits than its factorization.

65622064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101387 (or 4101381 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 65622064 is about 8100.7446571288. The cubic root of 65622064 is about 403.3511461447.

The spelling of 65622064 in words is "sixty-five million, six hundred twenty-two thousand, sixty-four".