709742732 has 24 divisors (see below), whose sum is σ = 1278906720. Its totient is φ = 344390400.

The previous prime is 709742731. The next prime is 709742773. The reversal of 709742732 is 237247907.

It is a self number, because there is not a number n which added to its sum of digits gives 709742732.

It is not an unprimeable number, because it can be changed into a prime (709742731) 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 7 ways as a sum of consecutive naturals, for example, 53369 + ... + 65327.

It is an arithmetic number, because the mean of its divisors is an integer number (53287780).

Almost surely, 2^709742732 is an apocalyptic number.

It is an amenable number.

709742732 is a deficient number, since it is larger than the sum of its proper divisors (569163988).

709742732 is a wasteful number, since it uses less digits than its factorization.

709742732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 709742732 is about 26640.9972035583. The cubic root of 709742732 is about 892.0043753598.

The spelling of 709742732 in words is "seven hundred nine million, seven hundred forty-two thousand, seven hundred thirty-two".