709688812 has 24 divisors (see below), whose sum is σ = 1468323360. Its totient is φ = 293664000.

The previous prime is 709688809. The next prime is 709688821. The reversal of 709688812 is 218886907.

It is a plaindrome in base 11.

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, 436189 + ... + 437812.

It is an arithmetic number, because the mean of its divisors is an integer number (61180140).

Almost surely, 2^709688812 is an apocalyptic number.

It is an amenable number.

709688812 is an abundant number, since it is smaller than the sum of its proper divisors (758634548).

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

709688812 is a wasteful number, since it uses less digits than its factorization.

709688812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874041 (or 874039 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 709688812 is about 26639.9852102061. The cubic root of 709688812 is about 891.9817859097.

The spelling of 709688812 in words is "seven hundred nine million, six hundred eighty-eight thousand, eight hundred twelve".