709091616 has 48 divisors (see below), whose sum is σ = 1863588384. Its totient is φ = 236081664.

The previous prime is 709091561. The next prime is 709091623. The reversal of 709091616 is 616190907.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86011 + ... + 93893.

It is an arithmetic number, because the mean of its divisors is an integer number (38824758).

Almost surely, 2^709091616 is an apocalyptic number.

It is an amenable number.

709091616 is an abundant number, since it is smaller than the sum of its proper divisors (1154496768).

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

709091616 is a wasteful number, since it uses less digits than its factorization.

709091616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 709091616 is about 26628.7742113677. The cubic root of 709091616 is about 891.7315177956.

The spelling of 709091616 in words is "seven hundred nine million, ninety-one thousand, six hundred sixteen".