72818118 has 24 divisors (see below), whose sum is σ = 158322528. Its totient is φ = 24188112.

The previous prime is 72818113. The next prime is 72818147. The reversal of 72818118 is 81181827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72818111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (6596772).

Almost surely, 2^72818118 is an apocalyptic number.

72818118 is an abundant number, since it is smaller than the sum of its proper divisors (85504410).

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

72818118 is a wasteful number, since it uses less digits than its factorization.

72818118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108 (or 14105 counting only the distinct ones).

The product of its digits is 7168, while the sum is 36.

The square root of 72818118 is about 8533.3532682059. The cubic root of 72818118 is about 417.5865320777.

The spelling of 72818118 in words is "seventy-two million, eight hundred eighteen thousand, one hundred eighteen".