718928 has 40 divisors (see below), whose sum is σ = 1636800. Its totient is φ = 305760.

The previous prime is 718919. The next prime is 718931. The reversal of 718928 is 829817.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5423 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

2⁷¹⁸⁹²⁸ 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 718928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818400).

718928 is an abundant number, since it is smaller than the sum of its proper divisors (917872).

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

718928 is a wasteful number, since it uses less digits than its factorization.

718928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 140 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 718928 is about 847.8962200647. The cubic root of 718928 is about 89.5835907450.

Subtracting 718928 from its reverse (829817), we obtain a square (110889 = 333²).

It can be divided in two parts, 7 and 18928, that multiplied together give a square (132496 = 364²).

The spelling of 718928 in words is "seven hundred eighteen thousand, nine hundred twenty-eight".