72012300 has 36 divisors (see below), whose sum is σ = 208356456. Its totient is φ = 19203200.

The previous prime is 72012271. The next prime is 72012331. The reversal of 72012300 is 321027.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 72012300.

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, 119721 + ... + 120320.

Almost surely, 2^72012300 is an apocalyptic number.

It is an amenable number.

72012300 is an abundant number, since it is smaller than the sum of its proper divisors (136344156).

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

72012300 is a wasteful number, since it uses less digits than its factorization.

72012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240058 (or 240051 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 72012300 is about 8486.0061277376. The cubic root of 72012300 is about 416.0404531050.

Adding to 72012300 its reverse (321027), we get a palindrome (72333327).

The spelling of 72012300 in words is "seventy-two million, twelve thousand, three hundred".