766523432 has 16 divisors (see below), whose sum is σ = 1444681140. Its totient is φ = 381275136.

The previous prime is 766523431. The next prime is 766523437. The reversal of 766523432 is 234325667.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 766514596 + 8836 = 27686^2 + 94^2 .

It is not an unprimeable number, because it can be changed into a prime (766523431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246683 + ... + 249770.

Almost surely, 2^766523432 is an apocalyptic number.

It is an amenable number.

766523432 is a deficient number, since it is larger than the sum of its proper divisors (678157708).

766523432 is a wasteful number, since it uses less digits than its factorization.

766523432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496652 (or 496648 counting only the distinct ones).

The product of its digits is 181440, while the sum is 38.

The square root of 766523432 is about 27686.1595747767. The cubic root of 766523432 is about 915.1841257058.

The spelling of 766523432 in words is "seven hundred sixty-six million, five hundred twenty-three thousand, four hundred thirty-two".