72415108 has 18 divisors (see below), whose sum is σ = 127780926. Its totient is φ = 35908704.

The previous prime is 72415037. The next prime is 72415111. The reversal of 72415108 is 80151427.

It can be written as a sum of positive squares in only one way, i.e., 44515584 + 27899524 = 6672^2 + 5282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76816 + ... + 77752.

Almost surely, 2^72415108 is an apocalyptic number.

It is an amenable number.

72415108 is a deficient number, since it is larger than the sum of its proper divisors (55365818).

72415108 is a wasteful number, since it uses less digits than its factorization.

72415108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 72415108 is about 8509.7066929478. The cubic root of 72415108 is about 416.8147325152.

The spelling of 72415108 in words is "seventy-two million, four hundred fifteen thousand, one hundred eight".