64968272 has 40 divisors (see below), whose sum is σ = 130403112. Its totient is φ = 31334400.

The previous prime is 64968223. The next prime is 64968283. The reversal of 64968272 is 27286946.

It can be written as a sum of positive squares in 4 ways, for example, as 1032256 + 63936016 = 1016^2 + 7996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63122 + ... + 64142.

Almost surely, 2^64968272 is an apocalyptic number.

It is an amenable number.

64968272 is an abundant number, since it is smaller than the sum of its proper divisors (65434840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64968272 is a wasteful number, since it uses less digits than its factorization.

64968272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1161 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 64968272 is about 8060.2898210920. The cubic root of 64968272 is about 402.0071449107.

It can be divided in two parts, 649 and 68272, that added together give a cube (68921 = 41³).

The spelling of 64968272 in words is "sixty-four million, nine hundred sixty-eight thousand, two hundred seventy-two".