64750912 has 14 divisors (see below), whose sum is σ = 128490218. Its totient is φ = 32375424.

The previous prime is 64750891. The next prime is 64750919. The reversal of 64750912 is 21905746.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 29419776 = 5944^2 + 5424^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64750919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505803 + ... + 505930.

Almost surely, 2^64750912 is an apocalyptic number.

It is an amenable number.

64750912 is a deficient number, since it is larger than the sum of its proper divisors (63739306).

64750912 is a wasteful number, since it uses less digits than its factorization.

64750912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011745 (or 1011735 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 64750912 is about 8046.7951384387. The cubic root of 64750912 is about 401.5583212039.

The spelling of 64750912 in words is "sixty-four million, seven hundred fifty thousand, nine hundred twelve".