766475451372 has 48 divisors (see below), whose sum is σ = 1794433132800. Its totient is φ = 254637291840.

The previous prime is 766475451353. The next prime is 766475451373. The reversal of 766475451372 is 273154574667.

It is a super-2 number, since 2×766475451372² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (766475451373) 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, 4879879 + ... + 5034497.

It is an arithmetic number, because the mean of its divisors is an integer number (37384023600).

Almost surely, 2^766475451372 is an apocalyptic number.

It is an amenable number.

766475451372 is an abundant number, since it is smaller than the sum of its proper divisors (1027957681428).

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

766475451372 is a wasteful number, since it uses less digits than its factorization.

766475451372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156006 (or 156004 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 57.

The spelling of 766475451372 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred fifty-one thousand, three hundred seventy-two".