72838264 has 8 divisors (see below), whose sum is σ = 136571760. Its totient is φ = 36419128.

The previous prime is 72838247. The next prime is 72838277. The reversal of 72838264 is 46283827.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4552384 + ... + 4552399.

It is an arithmetic number, because the mean of its divisors is an integer number (17071470).

Almost surely, 2^72838264 is an apocalyptic number.

It is an amenable number.

72838264 is a deficient number, since it is larger than the sum of its proper divisors (63733496).

72838264 is a wasteful number, since it uses less digits than its factorization.

72838264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104789 (or 9104785 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 72838264 is about 8534.5336135023. The cubic root of 72838264 is about 417.6250386234.

The spelling of 72838264 in words is "seventy-two million, eight hundred thirty-eight thousand, two hundred sixty-four".