72418108 has 24 divisors (see below), whose sum is σ = 149510144. Its totient is φ = 30034800.

The previous prime is 72418103. The next prime is 72418141. The reversal of 72418108 is 80181427.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 72418108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72418103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40848 + ... + 42583.

Almost surely, 2^72418108 is an apocalyptic number.

It is an amenable number.

72418108 is an abundant number, since it is smaller than the sum of its proper divisors (77092036).

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

72418108 is a wasteful number, since it uses less digits than its factorization.

72418108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83473 (or 83471 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 72418108 is about 8509.8829604173. The cubic root of 72418108 is about 416.8204883441.

The spelling of 72418108 in words is "seventy-two million, four hundred eighteen thousand, one hundred eight".