72811154 has 16 divisors (see below), whose sum is σ = 123809280. Its totient is φ = 31836240.

The previous prime is 72811147. The next prime is 72811159. The reversal of 72811154 is 45111827.

It is not an unprimeable number, because it can be changed into a prime (72811159) 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, 73202 + ... + 74189.

It is an arithmetic number, because the mean of its divisors is an integer number (7738080).

Almost surely, 2^72811154 is an apocalyptic number.

72811154 is a deficient number, since it is larger than the sum of its proper divisors (50998126).

72811154 is a wasteful number, since it uses less digits than its factorization.

72811154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147425.

The product of its digits is 2240, while the sum is 29.

The square root of 72811154 is about 8532.9452125277. The cubic root of 72811154 is about 417.5732196155.

The spelling of 72811154 in words is "seventy-two million, eight hundred eleven thousand, one hundred fifty-four".