72936064 has 16 divisors (see below), whose sum is σ = 145302570. Its totient is φ = 36467968.

The previous prime is 72936043. The next prime is 72936091. The reversal of 72936064 is 46063927.

It can be written as a sum of positive squares in only one way, i.e., 57881664 + 15054400 = 7608^2 + 3880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284779 + ... + 285034.

Almost surely, 2^72936064 is an apocalyptic number.

It is an amenable number.

72936064 is a deficient number, since it is larger than the sum of its proper divisors (72366506).

72936064 is an equidigital number, since it uses as much as digits as its factorization.

72936064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569827 (or 569815 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 72936064 is about 8540.2613543146. The cubic root of 72936064 is about 417.8118701954.

The spelling of 72936064 in words is "seventy-two million, nine hundred thirty-six thousand, sixty-four".