761972931 has 12 divisors (see below), whose sum is σ = 1130374752. Its totient is φ = 494252496.

The previous prime is 761972879. The next prime is 761972969. The reversal of 761972931 is 139279167.

761972931 is a `hidden beast` number, since 7 + 619 + 7 + 29 + 3 + 1 = 666.

761972931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 761972931 - 2⁶ = 761972867 is a prime.

It is a super-2 number, since 2×761972931² = 1161205495153461522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (761972971) 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, 1143771 + ... + 1144436.

It is an arithmetic number, because the mean of its divisors is an integer number (94197896).

Almost surely, 2^761972931 is an apocalyptic number.

761972931 is a deficient number, since it is larger than the sum of its proper divisors (368401821).

761972931 is a wasteful number, since it uses less digits than its factorization.

761972931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288250 (or 2288247 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 761972931 is about 27603.8571761267. The cubic root of 761972931 is about 913.3695194814.

The spelling of 761972931 in words is "seven hundred sixty-one million, nine hundred seventy-two thousand, nine hundred thirty-one".