64272836 has 12 divisors (see below), whose sum is σ = 112949760. Its totient is φ = 32001480.

The previous prime is 64272809. The next prime is 64272851. The reversal of 64272836 is 63827246.

It is a super-4 number, since 4×64272836⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64272836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32660 + ... + 34571.

It is an arithmetic number, because the mean of its divisors is an integer number (9412480).

Almost surely, 2^64272836 is an apocalyptic number.

It is an amenable number.

64272836 is a deficient number, since it is larger than the sum of its proper divisors (48676924).

64272836 is a wasteful number, since it uses less digits than its factorization.

64272836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67474 (or 67472 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 64272836 is about 8017.0341149330. The cubic root of 64272836 is about 400.5676025208.

The spelling of 64272836 in words is "sixty-four million, two hundred seventy-two thousand, eight hundred thirty-six".