64202272 has 24 divisors (see below), whose sum is σ = 126611100. Its totient is φ = 32047104.

The previous prime is 64202249. The next prime is 64202279. The reversal of 64202272 is 27220246.

It can be written as a sum of positive squares in 2 ways, for example, as 63936016 + 266256 = 7996^2 + 516^2 .

It is not an unprimeable number, because it can be changed into a prime (64202279) 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, 23304 + ... + 25912.

Almost surely, 2^64202272 is an apocalyptic number.

It is an amenable number.

64202272 is a deficient number, since it is larger than the sum of its proper divisors (62408828).

64202272 is a wasteful number, since it uses less digits than its factorization.

64202272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 64202272 is about 8012.6320269934. The cubic root of 64202272 is about 400.4209568330.

The spelling of 64202272 in words is "sixty-four million, two hundred two thousand, two hundred seventy-two".