761808772 has 24 divisors (see below), whose sum is σ = 1380476160. Its totient is φ = 367412640.

The previous prime is 761808757. The next prime is 761808779. The reversal of 761808772 is 277808167.

It is a super-2 number, since 2×761808772² = 1160705210192295968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (761808779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147213 + ... + 152299.

It is an arithmetic number, because the mean of its divisors is an integer number (57519840).

Almost surely, 2^761808772 is an apocalyptic number.

It is an amenable number.

761808772 is a deficient number, since it is larger than the sum of its proper divisors (618667388).

761808772 is a wasteful number, since it uses less digits than its factorization.

761808772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 46.

The square root of 761808772 is about 27600.8835365827. The cubic root of 761808772 is about 913.3039228398.

The spelling of 761808772 in words is "seven hundred sixty-one million, eight hundred eight thousand, seven hundred seventy-two".