766540172 has 12 divisors (see below), whose sum is σ = 1355275320. Its totient is φ = 379318656.

The previous prime is 766540171. The next prime is 766540241. The reversal of 766540172 is 271045667.

766540172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (766540171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987422 + ... + 988197.

It is an arithmetic number, because the mean of its divisors is an integer number (112939610).

Almost surely, 2^766540172 is an apocalyptic number.

It is an amenable number.

766540172 is a deficient number, since it is larger than the sum of its proper divisors (588735148).

766540172 is a wasteful number, since it uses less digits than its factorization.

766540172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975720 (or 1975718 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 766540172 is about 27686.4618902452. The cubic root of 766540172 is about 915.1907878508.

The spelling of 766540172 in words is "seven hundred sixty-six million, five hundred forty thousand, one hundred seventy-two".