718247072 has 12 divisors (see below), whose sum is σ = 1414048986. Its totient is φ = 359123520.

The previous prime is 718247051. The next prime is 718247077. The reversal of 718247072 is 270742817.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 436141456 + 282105616 = 20884^2 + 16796^2 .

It is not an unprimeable number, because it can be changed into a prime (718247077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222579 + ... + 11222642.

Almost surely, 2^718247072 is an apocalyptic number.

It is an amenable number.

718247072 is a deficient number, since it is larger than the sum of its proper divisors (695801914).

718247072 is a wasteful number, since it uses less digits than its factorization.

718247072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445231 (or 22445223 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 718247072 is about 26800.1319399737. The cubic root of 718247072 is about 895.5529897170.

Adding to 718247072 its reverse (270742817), we get a palindrome (988989889).

The spelling of 718247072 in words is "seven hundred eighteen million, two hundred forty-seven thousand, seventy-two".