64753964 has 12 divisors (see below), whose sum is σ = 123621288. Its totient is φ = 29433600.

The previous prime is 64753963. The next prime is 64753979. The reversal of 64753964 is 46935746.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1471681 = 64753964 / (6 + 4 + 7 + 5 + 3 + 9 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (64753961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735797 + ... + 735884.

It is an arithmetic number, because the mean of its divisors is an integer number (10301774).

Almost surely, 2^64753964 is an apocalyptic number.

It is an amenable number.

64753964 is a deficient number, since it is larger than the sum of its proper divisors (58867324).

64753964 is a wasteful number, since it uses less digits than its factorization.

64753964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471696 (or 1471694 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 64753964 is about 8046.9847769211. The cubic root of 64753964 is about 401.5646301845.

The spelling of 64753964 in words is "sixty-four million, seven hundred fifty-three thousand, nine hundred sixty-four".