716640365 has 32 divisors (see below), whose sum is σ = 1016252160. Its totient is φ = 474937344.

The previous prime is 716640341. The next prime is 716640377. The reversal of 716640365 is 563046617.

It is a happy number.

716640365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 716640365 - 2²⁴ = 699863149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143531 + ... + 148439.

It is an arithmetic number, because the mean of its divisors is an integer number (31757880).

Almost surely, 2^716640365 is an apocalyptic number.

It is an amenable number.

716640365 is a deficient number, since it is larger than the sum of its proper divisors (299611795).

716640365 is a wasteful number, since it uses less digits than its factorization.

716640365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 716640365 is about 26770.1394281016. The cubic root of 716640365 is about 894.8847120104.

The spelling of 716640365 in words is "seven hundred sixteen million, six hundred forty thousand, three hundred sixty-five".