709740940 has 12 divisors (see below), whose sum is σ = 1490456016. Its totient is φ = 283896368.

The previous prime is 709740901. The next prime is 709740971. The reversal of 709740940 is 49047907.

It is a junction number, because it is equal to n+sod(n) for n = 709740893 and 709740902.

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, 17743504 + ... + 17743543.

It is an arithmetic number, because the mean of its divisors is an integer number (124204668).

Almost surely, 2^709740940 is an apocalyptic number.

It is an amenable number.

709740940 is an abundant number, since it is smaller than the sum of its proper divisors (780715076).

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

709740940 is a wasteful number, since it uses less digits than its factorization.

709740940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487056 (or 35487054 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 709740940 is about 26640.9635711624. The cubic root of 709740940 is about 892.0036246309.

The spelling of 709740940 in words is "seven hundred nine million, seven hundred forty thousand, nine hundred forty".