72239300 has 72 divisors (see below), whose sum is σ = 184988160. Its totient is φ = 23961600.

The previous prime is 72239291. The next prime is 72239303. The reversal of 72239300 is 393227.

It is a self number, because there is not a number n which added to its sum of digits gives 72239300.

It is not an unprimeable number, because it can be changed into a prime (72239303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20036 + ... + 23364.

It is an arithmetic number, because the mean of its divisors is an integer number (2569280).

Almost surely, 2^72239300 is an apocalyptic number.

72239300 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72239300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92494080).

72239300 is an abundant number, since it is smaller than the sum of its proper divisors (112748860).

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

72239300 is a wasteful number, since it uses less digits than its factorization.

72239300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 72239300 is about 8499.3705649301. The cubic root of 72239300 is about 416.4771475889.

The spelling of 72239300 in words is "seventy-two million, two hundred thirty-nine thousand, three hundred".