72827264 has 16 divisors (see below), whose sum is σ = 145085820. Its totient is φ = 36413568.

The previous prime is 72827239. The next prime is 72827273. The reversal of 72827264 is 46272827.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284354 + ... + 284609.

Almost surely, 2^72827264 is an apocalyptic number.

It is an amenable number.

72827264 is a deficient number, since it is larger than the sum of its proper divisors (72258556).

72827264 is an equidigital number, since it uses as much as digits as its factorization.

72827264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568977 (or 568965 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 72827264 is about 8533.8891485653. The cubic root of 72827264 is about 417.6040143867.

The spelling of 72827264 in words is "seventy-two million, eight hundred twenty-seven thousand, two hundred sixty-four".