718724 has 12 divisors (see below), whose sum is σ = 1284864. Its totient is φ = 351624.

The previous prime is 718723. The next prime is 718741. The reversal of 718724 is 427817.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (718723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1724 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (107072).

2⁷¹⁸⁷²⁴ is an apocalyptic number.

It is an amenable number.

718724 is a deficient number, since it is larger than the sum of its proper divisors (566140).

718724 is a wasteful number, since it uses less digits than its factorization.

718724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3872 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 718724 is about 847.7759137885. The cubic root of 718724 is about 89.5751166552.

The spelling of 718724 in words is "seven hundred eighteen thousand, seven hundred twenty-four".