718680400 has 60 divisors (see below), whose sum is σ = 1747513152. Its totient is φ = 283995520.

The previous prime is 718680397. The next prime is 718680419. The reversal of 718680400 is 4086817.

It is a happy number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 22377 + ... + 44023.

Almost surely, 2^718680400 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 718680400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873756576).

718680400 is an abundant number, since it is smaller than the sum of its proper divisors (1028832752).

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

718680400 is a wasteful number, since it uses less digits than its factorization.

718680400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748 (or 21737 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 718680400 is about 26808.2151587904. The cubic root of 718680400 is about 895.7330531822.

The spelling of 718680400 in words is "seven hundred eighteen million, six hundred eighty thousand, four hundred".