718274464 has 36 divisors (see below), whose sum is σ = 1461253122. Its totient is φ = 347537280.

The previous prime is 718274413. The next prime is 718274467. The reversal of 718274464 is 464472817.

It can be written as a sum of positive squares in only one way, i.e., 514926864 + 203347600 = 22692^2 + 14260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 718274464.

It is not an unprimeable number, because it can be changed into a prime (718274467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19074 + ... + 42430.

Almost surely, 2^718274464 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 718274464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730626561).

718274464 is an abundant number, since it is smaller than the sum of its proper divisors (742978658).

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

718274464 is a wasteful number, since it uses less digits than its factorization.

718274464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23429 (or 23390 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 718274464 is about 26800.6429773616. The cubic root of 718274464 is about 895.5643742283.

The spelling of 718274464 in words is "seven hundred eighteen million, two hundred seventy-four thousand, four hundred sixty-four".