709164 has 18 divisors (see below), whose sum is σ = 1792700. Its totient is φ = 236376.

The previous prime is 709157. The next prime is 709201. The reversal of 709164 is 461907.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9814 + ... + 9885.

2⁷⁰⁹¹⁶⁴ is an apocalyptic number.

It is an amenable number.

709164 is an abundant number, since it is smaller than the sum of its proper divisors (1083536).

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

709164 is a wasteful number, since it uses less digits than its factorization.

709164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19709 (or 19704 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 709164 is about 842.1187564708. The cubic root of 709164 is about 89.1761859384.

The spelling of 709164 in words is "seven hundred nine thousand, one hundred sixty-four".