718056 has 24 divisors (see below), whose sum is σ = 1944930. Its totient is φ = 239328.

The previous prime is 718051. The next prime is 718087. The reversal of 718056 is 650817.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 22500 = 834^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718056.

It is not an unprimeable number, because it can be changed into a prime (718051) by changing a digit.

718056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4915 + ... + 5058.

2⁷¹⁸⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

718056 is an abundant number, since it is smaller than the sum of its proper divisors (1226874).

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

718056 is a wasteful number, since it uses less digits than its factorization.

718056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985 (or 9978 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 718056 is about 847.3818501715. The cubic root of 718056 is about 89.5473569379.

The spelling of 718056 in words is "seven hundred eighteen thousand, fifty-six".