718740 has 96 divisors (see below), whose sum is σ = 2459520. Its totient is φ = 174240.

The previous prime is 718723. The next prime is 718741. The reversal of 718740 is 47817.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718741) by changing a digit.

718740 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 31 ways as a sum of consecutive naturals, for example, 65335 + ... + 65345.

It is an arithmetic number, because the mean of its divisors is an integer number (25620).

2⁷¹⁸⁷⁴⁰ 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 718740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229760).

718740 is an abundant number, since it is smaller than the sum of its proper divisors (1740780).

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

718740 is a wasteful number, since it uses less digits than its factorization.

718740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 718740 is about 847.7853501919. The cubic root of 718740 is about 89.5757813476.

It can be divided in two parts, 7187 and 40, that added together give a palindrome (7227).

The spelling of 718740 in words is "seven hundred eighteen thousand, seven hundred forty".