72490860 has 108 divisors (see below), whose sum is σ = 238204512. Its totient is φ = 17836416.

The previous prime is 72490853. The next prime is 72490877. The reversal of 72490860 is 6809427.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 29229 + ... + 31611.

Almost surely, 2^72490860 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 72490860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119102256).

72490860 is an abundant number, since it is smaller than the sum of its proper divisors (165713652).

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

72490860 is a wasteful number, since it uses less digits than its factorization.

72490860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 72490860 is about 8514.1564467656. The cubic root of 72490860 is about 416.9600223911.

The spelling of 72490860 in words is "seventy-two million, four hundred ninety thousand, eight hundred sixty".