76473931 has 16 divisors (see below), whose sum is σ = 82478848. Its totient is φ = 70761600.

The previous prime is 76473893. The next prime is 76473949. The reversal of 76473931 is 13937467.

It is a cyclic number.

It is not a de Polignac number, because 76473931 - 2¹¹ = 76471883 is a prime.

It is a super-2 number, since 2×76473931² = 11696524245185522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76423931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69421 + ... + 70513.

It is an arithmetic number, because the mean of its divisors is an integer number (5154928).

Almost surely, 2^76473931 is an apocalyptic number.

76473931 is a deficient number, since it is larger than the sum of its proper divisors (6004917).

76473931 is a wasteful number, since it uses less digits than its factorization.

76473931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 95256, while the sum is 40.

The square root of 76473931 is about 8744.9374497477. The cubic root of 76473931 is about 424.4610117804.

Subtracting from 76473931 its reverse (13937467), we obtain a square (62536464 = 7908²).

The spelling of 76473931 in words is "seventy-six million, four hundred seventy-three thousand, nine hundred thirty-one".