718020 has 36 divisors (see below), whose sum is σ = 2178540. Its totient is φ = 191424.

The previous prime is 718007. The next prime is 718043. The reversal of 718020 is 20817.

718020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 419904 = 546^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 717984 and 718002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (60515).

2⁷¹⁸⁰²⁰ is an apocalyptic number.

It is an amenable number.

718020 is an abundant number, since it is smaller than the sum of its proper divisors (1460520).

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

718020 is a wasteful number, since it uses less digits than its factorization.

718020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 3999 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 718020 is about 847.3606080058. The cubic root of 718020 is about 89.5458604164.

Adding to 718020 its reverse (20817), we get a palindrome (738837).

The spelling of 718020 in words is "seven hundred eighteen thousand, twenty".