64235716 has 6 divisors (see below), whose sum is σ = 112412510. Its totient is φ = 32117856.

The previous prime is 64235687. The next prime is 64235723. The reversal of 64235716 is 61753246.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 4884100 = 7704^2 + 2210^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8029461 + ... + 8029468.

Almost surely, 2^64235716 is an apocalyptic number.

It is an amenable number.

64235716 is a deficient number, since it is larger than the sum of its proper divisors (48176794).

64235716 is a wasteful number, since it uses less digits than its factorization.

64235716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16058933 (or 16058931 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 64235716 is about 8014.7187099735. The cubic root of 64235716 is about 400.4904733439.

The spelling of 64235716 in words is "sixty-four million, two hundred thirty-five thousand, seven hundred sixteen".