72824312 has 16 divisors (see below), whose sum is σ = 148959000. Its totient is φ = 33101920.

The previous prime is 72824309. The next prime is 72824347. The reversal of 72824312 is 21342827.

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, 413687 + ... + 413862.

Almost surely, 2^72824312 is an apocalyptic number.

It is an amenable number.

72824312 is an abundant number, since it is smaller than the sum of its proper divisors (76134688).

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

72824312 is a wasteful number, since it uses less digits than its factorization.

72824312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827566 (or 827562 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 72824312 is about 8533.7161893281. The cubic root of 72824312 is about 417.5983718858.

The spelling of 72824312 in words is "seventy-two million, eight hundred twenty-four thousand, three hundred twelve".