766736972 has 6 divisors (see below), whose sum is σ = 1341789708. Its totient is φ = 383368484.

The previous prime is 766736959. The next prime is 766736987. The reversal of 766736972 is 279637667.

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 as a sum of consecutive naturals, namely, 95842118 + ... + 95842125.

It is an arithmetic number, because the mean of its divisors is an integer number (223631618).

Almost surely, 2^766736972 is an apocalyptic number.

It is an amenable number.

766736972 is a deficient number, since it is larger than the sum of its proper divisors (575052736).

766736972 is a wasteful number, since it uses less digits than its factorization.

766736972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191684247 (or 191684245 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 53.

The square root of 766736972 is about 27690.0157457521. The cubic root of 766736972 is about 915.2691025702.

The spelling of 766736972 in words is "seven hundred sixty-six million, seven hundred thirty-six thousand, nine hundred seventy-two".