718648 has 32 divisors (see below), whose sum is σ = 1582560. Its totient is φ = 299520.

The previous prime is 718633. The next prime is 718657. The reversal of 718648 is 846817.

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, 2140 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (49455).

2⁷¹⁸⁶⁴⁸ 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 718648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791280).

718648 is an abundant number, since it is smaller than the sum of its proper divisors (863912).

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

718648 is a wasteful number, since it uses less digits than its factorization.

718648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 718648 is about 847.7310894382. The cubic root of 718648 is about 89.5719592314.

The spelling of 718648 in words is "seven hundred eighteen thousand, six hundred forty-eight".