782328132 has 30 divisors (see below), whose sum is σ = 2045161118. Its totient is φ = 260775936.

The previous prime is 782328091. The next prime is 782328139. The reversal of 782328132 is 231823287.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 606341376 + 175986756 = 24624^2 + 13266^2 .

It is a super-2 number, since 2×782328132² = 1224074612237218848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (782328139) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1206973 + ... + 1207620.

Almost surely, 2^782328132 is an apocalyptic number.

It is an amenable number.

782328132 is an abundant number, since it is smaller than the sum of its proper divisors (1262832986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

782328132 is a wasteful number, since it uses less digits than its factorization.

782328132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414609 (or 2414598 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 782328132 is about 27970.1292810741. The cubic root of 782328132 is about 921.4313462947.

The spelling of 782328132 in words is "seven hundred eighty-two million, three hundred twenty-eight thousand, one hundred thirty-two".