64435792 has 10 divisors (see below), whose sum is σ = 124844378. Its totient is φ = 32217888.

The previous prime is 64435769. The next prime is 64435799. The reversal of 64435792 is 29753446.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49505296 + 14930496 = 7036^2 + 3864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64435799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013603 + ... + 2013634.

Almost surely, 2^64435792 is an apocalyptic number.

It is an amenable number.

64435792 is a deficient number, since it is larger than the sum of its proper divisors (60408586).

64435792 is a wasteful number, since it uses less digits than its factorization.

64435792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027245 (or 4027239 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 64435792 is about 8027.1907913043. The cubic root of 64435792 is about 400.9058470542.

The spelling of 64435792 in words is "sixty-four million, four hundred thirty-five thousand, seven hundred ninety-two".