72513300 has 36 divisors (see below), whose sum is σ = 209806016. Its totient is φ = 19336800.

The previous prime is 72513299. The next prime is 72513349. The reversal of 72513300 is 331527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120556 + ... + 121155.

Almost surely, 2^72513300 is an apocalyptic number.

It is an amenable number.

72513300 is an abundant number, since it is smaller than the sum of its proper divisors (137292716).

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

72513300 is a wasteful number, since it uses less digits than its factorization.

72513300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241728 (or 241721 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 72513300 is about 8515.4741500400. The cubic root of 72513300 is about 417.0030421484.

Adding to 72513300 its reverse (331527), we get a palindrome (72844827).

The spelling of 72513300 in words is "seventy-two million, five hundred thirteen thousand, three hundred".