76451724172 has 12 divisors (see below), whose sum is σ = 133800932160. Its totient is φ = 38222886416.

The previous prime is 76451724169. The next prime is 76451724211. The reversal of 76451724172 is 27142715467.

It is a super-2 number, since 2×76451724172² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685603 + ... + 789274.

It is an arithmetic number, because the mean of its divisors is an integer number (11150077680).

Almost surely, 2^76451724172 is an apocalyptic number.

It is an amenable number.

76451724172 is a deficient number, since it is larger than the sum of its proper divisors (57349207988).

76451724172 is a wasteful number, since it uses less digits than its factorization.

76451724172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487840 (or 1487838 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The spelling of 76451724172 in words is "seventy-six billion, four hundred fifty-one million, seven hundred twenty-four thousand, one hundred seventy-two".