718672 has 10 divisors (see below), whose sum is σ = 1392458. Its totient is φ = 359328.

The previous prime is 718661. The next prime is 718691. The reversal of 718672 is 276817.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 234256 = 696^2 + 484^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 22443 + ... + 22474.

2⁷¹⁸⁶⁷² is an apocalyptic number.

It is an amenable number.

718672 is a deficient number, since it is larger than the sum of its proper divisors (673786).

718672 is a wasteful number, since it uses less digits than its factorization.

718672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44925 (or 44919 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 718672 is about 847.7452447522. The cubic root of 718672 is about 89.5729563366.

The spelling of 718672 in words is "seven hundred eighteen thousand, six hundred seventy-two".