72373020 has 48 divisors (see below), whose sum is σ = 204936480. Its totient is φ = 19081216.

The previous prime is 72373001. The next prime is 72373043. The reversal of 72373020 is 2037327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (4269510).

Almost surely, 2^72373020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72373020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102468240).

72373020 is an abundant number, since it is smaller than the sum of its proper divisors (132563460).

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

72373020 is a wasteful number, since it uses less digits than its factorization.

72373020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654 (or 13652 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 72373020 is about 8507.2333928252. The cubic root of 72373020 is about 416.7339653073.

The spelling of 72373020 in words is "seventy-two million, three hundred seventy-three thousand, twenty".