764647232 has 14 divisors (see below), whose sum is σ = 1517346978. Its totient is φ = 382323584.

The previous prime is 764647231. The next prime is 764647243. The reversal of 764647232 is 232746467.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 482944576 + 281702656 = 21976^2 + 16784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 764647232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764647231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973743 + ... + 5973870.

It is an arithmetic number, because the mean of its divisors is an integer number (108381927).

Almost surely, 2^764647232 is an apocalyptic number.

It is an amenable number.

764647232 is a deficient number, since it is larger than the sum of its proper divisors (752699746).

764647232 is a wasteful number, since it uses less digits than its factorization.

764647232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947625 (or 11947615 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The square root of 764647232 is about 27652.2554595462. The cubic root of 764647232 is about 914.4368246515.

The spelling of 764647232 in words is "seven hundred sixty-four million, six hundred forty-seven thousand, two hundred thirty-two".