716836640 has 96 divisors (see below), whose sum is σ = 1849172976. Its totient is φ = 260997120.

The previous prime is 716836633. The next prime is 716836643. The reversal of 716836640 is 46638617.

It can be written as a sum of positive squares in 8 ways, for example, as 210946576 + 505890064 = 14524^2 + 22492^2 .

It is not an unprimeable number, because it can be changed into a prime (716836643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 149480 + ... + 154200.

Almost surely, 2^716836640 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 716836640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924586488).

716836640 is an abundant number, since it is smaller than the sum of its proper divisors (1132336336).

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

716836640 is a wasteful number, since it uses less digits than its factorization.

716836640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 716836640 is about 26773.8051087252. The cubic root of 716836640 is about 894.9664022010.

The spelling of 716836640 in words is "seven hundred sixteen million, eight hundred thirty-six thousand, six hundred forty".