718980 has 48 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 183040.

The previous prime is 718973. The next prime is 718999. The reversal of 718980 is 89817.

It is a congruent number.

It is an unprimeable number.

718980 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 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2⁷¹⁸⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052352).

718980 is an abundant number, since it is smaller than the sum of its proper divisors (1385724).

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

718980 is a wasteful number, since it uses less digits than its factorization.

718980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 718980 is about 847.9268836403. The cubic root of 718980 is about 89.5857505507.

The spelling of 718980 in words is "seven hundred eighteen thousand, nine hundred eighty".