718662145 has 16 divisors (see below), whose sum is σ = 885249792. Its totient is φ = 559751040.

The previous prime is 718662089. The next prime is 718662149. The reversal of 718662145 is 541266817.

It is not a de Polignac number, because 718662145 - 2⁷ = 718662017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 718662098 and 718662107.

It is not an unprimeable number, because it can be changed into a prime (718662149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103864 + ... + 110566.

It is an arithmetic number, because the mean of its divisors is an integer number (55328112).

Almost surely, 2^718662145 is an apocalyptic number.

It is an amenable number.

718662145 is a deficient number, since it is larger than the sum of its proper divisors (166587647).

718662145 is a wasteful number, since it uses less digits than its factorization.

718662145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272.

The product of its digits is 80640, while the sum is 40.

The square root of 718662145 is about 26807.8746826376. The cubic root of 718662145 is about 895.7254690296.

The spelling of 718662145 in words is "seven hundred eighteen million, six hundred sixty-two thousand, one hundred forty-five".