3132640732 has 24 divisors (see below), whose sum is σ = 6214552400. Its totient is φ = 1369737216.

The previous prime is 3132640727. The next prime is 3132640741. The reversal of 3132640732 is 2370462313.

It is a junction number, because it is equal to n+sod(n) for n = 3132640694 and 3132640703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584357 + ... + 1586332.

Almost surely, 2^3132640732 is an apocalyptic number.

It is an amenable number.

3132640732 is a deficient number, since it is larger than the sum of its proper divisors (3081911668).

3132640732 is a wasteful number, since it uses less digits than its factorization.

3132640732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170725 (or 3170723 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 3132640732 is about 55969.9984991960. The cubic root of 3132640732 is about 1463.1994532081.

The spelling of 3132640732 in words is "three billion, one hundred thirty-two million, six hundred forty thousand, seven hundred thirty-two".