716645000 has 40 divisors (see below), whose sum is σ = 1679110950. Its totient is φ = 286656000.

The previous prime is 716644997. The next prime is 716645003. The reversal of 716645000 is 546617.

It is an interprime number because it is at equal distance from previous prime (716644997) and next prime (716645003).

It can be written as a sum of positive squares in 5 ways, for example, as 90744676 + 625900324 = 9526^2 + 25018^2 .

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

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (716645003) 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 9 ways as a sum of consecutive naturals, for example, 66665 + ... + 76664.

Almost surely, 2^716645000 is an apocalyptic number.

It is an amenable number.

716645000 is an abundant number, since it is smaller than the sum of its proper divisors (962465950).

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

716645000 is a wasteful number, since it uses less digits than its factorization.

716645000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143355 (or 143336 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 716645000 is about 26770.2259982989. The cubic root of 716645000 is about 894.8866412820.

The spelling of 716645000 in words is "seven hundred sixteen million, six hundred forty-five thousand".