709538672 has 20 divisors (see below), whose sum is σ = 1378820976. Its totient is φ = 353713920.

The previous prime is 709538663. The next prime is 709538749. The reversal of 709538672 is 276835907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60404 + ... + 71187.

Almost surely, 2^709538672 is an apocalyptic number.

It is an amenable number.

709538672 is a deficient number, since it is larger than the sum of its proper divisors (669282304).

709538672 is a wasteful number, since it uses less digits than its factorization.

709538672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131936 (or 131930 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 709538672 is about 26637.1671166436. The cubic root of 709538672 is about 891.9188796574.

The spelling of 709538672 in words is "seven hundred nine million, five hundred thirty-eight thousand, six hundred seventy-two".