716580345 has 128 divisors (see below), whose sum is σ = 1424424960. Its totient is φ = 303575040.

The previous prime is 716580317. The next prime is 716580353. The reversal of 716580345 is 543085617.

It is not a de Polignac number, because 716580345 - 2⁹ = 716579833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1952352 + ... + 1952718.

It is an arithmetic number, because the mean of its divisors is an integer number (11128320).

Almost surely, 2^716580345 is an apocalyptic number.

It is an amenable number.

716580345 is a deficient number, since it is larger than the sum of its proper divisors (707844615).

716580345 is a wasteful number, since it uses less digits than its factorization.

716580345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 716580345 is about 26769.0183794625. The cubic root of 716580345 is about 894.8597285447.

The spelling of 716580345 in words is "seven hundred sixteen million, five hundred eighty thousand, three hundred forty-five".