709172 has 12 divisors (see below), whose sum is σ = 1314180. Its totient is φ = 333696.

The previous prime is 709157. The next prime is 709201. The reversal of 709172 is 271907.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 59536 = 806^2 + 244^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 709172.

It is an unprimeable number.

709172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (109515).

2⁷⁰⁹¹⁷² is an apocalyptic number.

It is an amenable number.

709172 is a deficient number, since it is larger than the sum of its proper divisors (605008).

709172 is a wasteful number, since it uses less digits than its factorization.

709172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 709172 is about 842.1235063813. The cubic root of 709172 is about 89.1765212660.

The spelling of 709172 in words is "seven hundred nine thousand, one hundred seventy-two".