64773272 has 16 divisors (see below), whose sum is σ = 121629600. Its totient is φ = 32338720.

The previous prime is 64773263. The next prime is 64773341. The reversal of 64773272 is 27237746.

It is a congruent number.

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, 122 + ... + 11382.

It is an arithmetic number, because the mean of its divisors is an integer number (7601850).

Almost surely, 2^64773272 is an apocalyptic number.

It is an amenable number.

64773272 is a deficient number, since it is larger than the sum of its proper divisors (56856328).

64773272 is a wasteful number, since it uses less digits than its factorization.

64773272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986 (or 11982 counting only the distinct ones).

The product of its digits is 98784, while the sum is 38.

The square root of 64773272 is about 8048.1843915258. The cubic root of 64773272 is about 401.6045383687.

The spelling of 64773272 in words is "sixty-four million, seven hundred seventy-three thousand, two hundred seventy-two".