72464250 has 64 divisors (see below), whose sum is σ = 184384512. Its totient is φ = 18948800.

The previous prime is 72464239. The next prime is 72464257. The reversal of 72464250 is 5246427.

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

It is not an unprimeable number, because it can be changed into a prime (72464257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38839 + ... + 40661.

It is an arithmetic number, because the mean of its divisors is an integer number (2881008).

Almost surely, 2^72464250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72464250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92192256).

72464250 is an abundant number, since it is smaller than the sum of its proper divisors (111920262).

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

72464250 is a wasteful number, since it uses less digits than its factorization.

72464250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 72464250 is about 8512.5936118201. The cubic root of 72464250 is about 416.9089968131.

The spelling of 72464250 in words is "seventy-two million, four hundred sixty-four thousand, two hundred fifty".