72472480 has 24 divisors (see below), whose sum is σ = 171216612. Its totient is φ = 28988928.

The previous prime is 72472459. The next prime is 72472481. The reversal of 72472480 is 8427427.

It can be written as a sum of positive squares in 2 ways, for example, as 67436944 + 5035536 = 8212^2 + 2244^2 .

It is not an unprimeable number, because it can be changed into a prime (72472481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226317 + ... + 226636.

Almost surely, 2^72472480 is an apocalyptic number.

It is an amenable number.

72472480 is an abundant number, since it is smaller than the sum of its proper divisors (98744132).

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

72472480 is a wasteful number, since it uses less digits than its factorization.

72472480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452968 (or 452960 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 72472480 is about 8513.0769995343. The cubic root of 72472480 is about 416.9247794515.

The spelling of 72472480 in words is "seventy-two million, four hundred seventy-two thousand, four hundred eighty".