716665000 has 40 divisors (see below), whose sum is σ = 1679157810. Its totient is φ = 286664000.

The previous prime is 716664967. The next prime is 716665021. The reversal of 716665000 is 566617.

716665000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 42016324 + 674648676 = 6482^2 + 25974^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66667 + ... + 76666.

Almost surely, 2^716665000 is an apocalyptic number.

It is an amenable number.

716665000 is an abundant number, since it is smaller than the sum of its proper divisors (962492810).

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

716665000 is a wasteful number, since it uses less digits than its factorization.

716665000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143359 (or 143340 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 716665000 is about 26770.5995450233. The cubic root of 716665000 is about 894.8949659831.

The spelling of 716665000 in words is "seven hundred sixteen million, six hundred sixty-five thousand".