764747552 has 12 divisors (see below), whose sum is σ = 1505596806. Its totient is φ = 382373760.

The previous prime is 764747551. The next prime is 764747569. The reversal of 764747552 is 255747467.

It can be written as a sum of positive squares in only one way, i.e., 538425616 + 226321936 = 23204^2 + 15044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 764747497 and 764747506.

It is not an unprimeable number, because it can be changed into a prime (764747551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11949149 + ... + 11949212.

Almost surely, 2^764747552 is an apocalyptic number.

It is an amenable number.

764747552 is a deficient number, since it is larger than the sum of its proper divisors (740849254).

764747552 is a wasteful number, since it uses less digits than its factorization.

764747552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23898371 (or 23898363 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 47.

The square root of 764747552 is about 27654.0693569681. The cubic root of 764747552 is about 914.4768135888.

The spelling of 764747552 in words is "seven hundred sixty-four million, seven hundred forty-seven thousand, five hundred fifty-two".