72300912 has 20 divisors (see below), whose sum is σ = 186777480. Its totient is φ = 24100288.

The previous prime is 72300911. The next prime is 72300919. The reversal of 72300912 is 21900327.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72300911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753087 + ... + 753182.

It is an arithmetic number, because the mean of its divisors is an integer number (9338874).

Almost surely, 2^72300912 is an apocalyptic number.

It is an amenable number.

72300912 is an abundant number, since it is smaller than the sum of its proper divisors (114476568).

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

72300912 is a wasteful number, since it uses less digits than its factorization.

72300912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506280 (or 1506274 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 72300912 is about 8502.9942961289. The cubic root of 72300912 is about 416.5955166689.

The spelling of 72300912 in words is "seventy-two million, three hundred thousand, nine hundred twelve".