72378300 has 36 divisors (see below), whose sum is σ = 209415416. Its totient is φ = 19300800.

The previous prime is 72378283. The next prime is 72378307. The reversal of 72378300 is 387327.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72378307) 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 11 ways as a sum of consecutive naturals, for example, 120331 + ... + 120930.

Almost surely, 2^72378300 is an apocalyptic number.

It is an amenable number.

72378300 is an abundant number, since it is smaller than the sum of its proper divisors (137037116).

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

72378300 is a wasteful number, since it uses less digits than its factorization.

72378300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241278 (or 241271 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72378300 is about 8507.5437113188. The cubic root of 72378300 is about 416.7440993869.

The spelling of 72378300 in words is "seventy-two million, three hundred seventy-eight thousand, three hundred".