76731372473 has 12 divisors (see below), whose sum is σ = 89276902992. Its totient is φ = 65756514600.

The previous prime is 76731372457. The next prime is 76731372493. The reversal of 76731372473 is 37427313767.

It is a happy number.

It is not a de Polignac number, because 76731372473 - 2⁴ = 76731372457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76731372433) 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, 92486 + ... + 402512.

It is an arithmetic number, because the mean of its divisors is an integer number (7439741916).

Almost surely, 2^76731372473 is an apocalyptic number.

It is an amenable number.

76731372473 is a deficient number, since it is larger than the sum of its proper divisors (12545530519).

76731372473 is a wasteful number, since it uses less digits than its factorization.

76731372473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315092 (or 315085 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 50.

The spelling of 76731372473 in words is "seventy-six billion, seven hundred thirty-one million, three hundred seventy-two thousand, four hundred seventy-three".