766531232 has 24 divisors (see below), whose sum is σ = 1509742836. Its totient is φ = 383104512.

The previous prime is 766531223. The next prime is 766531237. The reversal of 766531232 is 232135667.

It can be written as a sum of positive squares in 2 ways, for example, as 610880656 + 155650576 = 24716^2 + 12476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 766531192 and 766531201.

It is not an unprimeable number, because it can be changed into a prime (766531237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120188 + ... + 126404.

Almost surely, 2^766531232 is an apocalyptic number.

It is an amenable number.

766531232 is a deficient number, since it is larger than the sum of its proper divisors (743211604).

766531232 is a wasteful number, since it uses less digits than its factorization.

766531232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080 (or 10072 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 766531232 is about 27686.3004390258. The cubic root of 766531232 is about 915.1872299431.

Adding to 766531232 its reverse (232135667), we get a palindrome (998666899).

The spelling of 766531232 in words is "seven hundred sixty-six million, five hundred thirty-one thousand, two hundred thirty-two".