718463648 has 48 divisors (see below), whose sum is σ = 1621065600. Its totient is φ = 307051776.

The previous prime is 718463633. The next prime is 718463653. The reversal of 718463648 is 846364817.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79253 + ... + 87851.

It is an arithmetic number, because the mean of its divisors is an integer number (33772200).

Almost surely, 2^718463648 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 718463648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810532800).

718463648 is an abundant number, since it is smaller than the sum of its proper divisors (902601952).

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

718463648 is a wasteful number, since it uses less digits than its factorization.

718463648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989 (or 8981 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 718463648 is about 26804.1722125493. The cubic root of 718463648 is about 895.6429939326.

The spelling of 718463648 in words is "seven hundred eighteen million, four hundred sixty-three thousand, six hundred forty-eight".