72761877 has 12 divisors (see below), whose sum is σ = 105543360. Its totient is φ = 48303528.

The previous prime is 72761813. The next prime is 72761879. The reversal of 72761877 is 77816727.

It is a happy number.

72761877 is a `hidden beast` number, since 7 + 27 + 618 + 7 + 7 = 666.

It is not a de Polignac number, because 72761877 - 2⁶ = 72761813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72761879) 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, 14763 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (8795280).

Almost surely, 2^72761877 is an apocalyptic number.

It is an amenable number.

72761877 is a deficient number, since it is larger than the sum of its proper divisors (32781483).

72761877 is a wasteful number, since it uses less digits than its factorization.

72761877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34072 (or 34069 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The square root of 72761877 is about 8530.0572682720. The cubic root of 72761877 is about 417.4789968757.

The spelling of 72761877 in words is "seventy-two million, seven hundred sixty-one thousand, eight hundred seventy-seven".