77472873 has 12 divisors (see below), whose sum is σ = 114286848. Its totient is φ = 50549400.

The previous prime is 77472869. The next prime is 77472877. The reversal of 77472873 is 37827477.

It is an interprime number because it is at equal distance from previous prime (77472869) and next prime (77472877).

It is not a de Polignac number, because 77472873 - 2² = 77472869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77472877) 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, 91153 + ... + 91998.

It is an arithmetic number, because the mean of its divisors is an integer number (9523904).

Almost surely, 2^77472873 is an apocalyptic number.

It is an amenable number.

77472873 is a deficient number, since it is larger than the sum of its proper divisors (36813975).

77472873 is a wasteful number, since it uses less digits than its factorization.

77472873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183204 (or 183201 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 77472873 is about 8801.8675859161. The cubic root of 77472873 is about 426.3011987474.

The spelling of 77472873 in words is "seventy-seven million, four hundred seventy-two thousand, eight hundred seventy-three".