718875648 has 198 divisors, whose sum is σ = 2175608916. Its totient is φ = 237385728.

The previous prime is 718875643. The next prime is 718875653. The reversal of 718875648 is 846578817.

It is a happy number.

718875648 is a `hidden beast` number, since 71 + 8 + 8 + 7 + 564 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (718875643) and next prime (718875653).

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3010560) is a multiple of the sum of its prime divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 718875594 and 718875603.

It is not an unprimeable number, because it can be changed into a prime (718875643) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 6718411 + ... + 6718517.

Almost surely, 2^718875648 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 718875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087804458).

718875648 is an abundant number, since it is smaller than the sum of its proper divisors (1456733268).

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

718875648 is an frugal number, since it uses more digits than its factorization.

718875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 112 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 718875648 is about 26811.8564817881. The cubic root of 718875648 is about 895.8141621386.

The spelling of 718875648 in words is "seven hundred eighteen million, eight hundred seventy-five thousand, six hundred forty-eight".