766742472 has 24 divisors (see below), whose sum is σ = 2076594390. Its totient is φ = 255580800.

The previous prime is 766742441. The next prime is 766742491. The reversal of 766742472 is 274247667.

It can be written as a sum of positive squares in only one way, i.e., 500595876 + 266146596 = 22374^2 + 16314^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5324529 + ... + 5324672.

Almost surely, 2^766742472 is an apocalyptic number.

766742472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

766742472 is an abundant number, since it is smaller than the sum of its proper divisors (1309851918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766742472 is a wasteful number, since it uses less digits than its factorization.

766742472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649213 (or 10649206 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 766742472 is about 27690.1150593492. The cubic root of 766742472 is about 915.2712910513.

The spelling of 766742472 in words is "seven hundred sixty-six million, seven hundred forty-two thousand, four hundred seventy-two".