64650934 has 16 divisors (see below), whose sum is σ = 100546560. Its totient is φ = 31144680.

The previous prime is 64650931. The next prime is 64650959. The reversal of 64650934 is 43905646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64650893 and 64650902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64650931) 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, 12637 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (6284160).

Almost surely, 2^64650934 is an apocalyptic number.

64650934 is a deficient number, since it is larger than the sum of its proper divisors (35895626).

64650934 is a wasteful number, since it uses less digits than its factorization.

64650934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 64650934 is about 8040.5804516838. The cubic root of 64650934 is about 401.3515407010.

The spelling of 64650934 in words is "sixty-four million, six hundred fifty thousand, nine hundred thirty-four".