64751936 has 14 divisors (see below), whose sum is σ = 128492250. Its totient is φ = 32375936.

The previous prime is 64751917. The next prime is 64751957. The reversal of 64751936 is 63915746.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 7840000 = 7544^2 + 2800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64751893 and 64751902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505811 + ... + 505938.

Almost surely, 2^64751936 is an apocalyptic number.

It is an amenable number.

64751936 is a deficient number, since it is larger than the sum of its proper divisors (63740314).

64751936 is a wasteful number, since it uses less digits than its factorization.

64751936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011761 (or 1011751 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 64751936 is about 8046.8587660030. The cubic root of 64751936 is about 401.5604380006.

The spelling of 64751936 in words is "sixty-four million, seven hundred fifty-one thousand, nine hundred thirty-six".