716618739 has 16 divisors (see below), whose sum is σ = 989625600. Its totient is φ = 460718496.

The previous prime is 716618719. The next prime is 716618743. The reversal of 716618739 is 937816617.

It is a happy number.

It is not a de Polignac number, because 716618739 - 2¹⁶ = 716553203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716618719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75472 + ... + 84434.

It is an arithmetic number, because the mean of its divisors is an integer number (61851600).

Almost surely, 2^716618739 is an apocalyptic number.

716618739 is a deficient number, since it is larger than the sum of its proper divisors (273006861).

716618739 is a wasteful number, since it uses less digits than its factorization.

716618739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914.

The product of its digits is 381024, while the sum is 48.

The square root of 716618739 is about 26769.7355048570. The cubic root of 716618739 is about 894.8757102979.

The spelling of 716618739 in words is "seven hundred sixteen million, six hundred eighteen thousand, seven hundred thirty-nine".