709572 has 24 divisors (see below), whose sum is σ = 1713600. Its totient is φ = 228256.

The previous prime is 709561. The next prime is 709589. The reversal of 709572 is 275907.

It is a happy number.

709572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

709572 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 7 ways as a sum of consecutive naturals, for example, 672 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

2⁷⁰⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

709572 is an abundant number, since it is smaller than the sum of its proper divisors (1004028).

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

709572 is a wasteful number, since it uses less digits than its factorization.

709572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 709572 is about 842.3609677567. The cubic root of 709572 is about 89.1932844321.

The spelling of 709572 in words is "seven hundred nine thousand, five hundred seventy-two".