766433723172 has 48 divisors (see below), whose sum is σ = 1937306367360. Its totient is φ = 235825752864.

The previous prime is 766433723137. The next prime is 766433723173. The reversal of 766433723172 is 271327334667.

It is a super-4 number, since 4×766433723172⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (766433723173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14509248 + ... + 14561975.

It is an arithmetic number, because the mean of its divisors is an integer number (40360549320).

Almost surely, 2^766433723172 is an apocalyptic number.

It is an amenable number.

766433723172 is an abundant number, since it is smaller than the sum of its proper divisors (1170872644188).

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

766433723172 is a wasteful number, since it uses less digits than its factorization.

766433723172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29071269 (or 29071241 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 51.

The spelling of 766433723172 in words is "seven hundred sixty-six billion, four hundred thirty-three million, seven hundred twenty-three thousand, one hundred seventy-two".