72479500 has 48 divisors (see below), whose sum is σ = 167626368. Its totient is φ = 27283200.

The previous prime is 72479489. The next prime is 72479527. The reversal of 72479500 is 597427.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 4237 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2^72479500 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 72479500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83813184).

72479500 is an abundant number, since it is smaller than the sum of its proper divisors (95146868).

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

72479500 is a wasteful number, since it uses less digits than its factorization.

72479500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563 (or 8551 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 72479500 is about 8513.4892964049. The cubic root of 72479500 is about 416.9382407334.

The spelling of 72479500 in words is "seventy-two million, four hundred seventy-nine thousand, five hundred".