716075405 has 8 divisors (see below), whose sum is σ = 862979832. Its totient is φ = 570400768.

The previous prime is 716075383. The next prime is 716075413. The reversal of 716075405 is 504570617.

It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 517744516 = 14083^2 + 22754^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 716075405 - 2⁶ = 716075341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306164 + ... + 308493.

It is an arithmetic number, because the mean of its divisors is an integer number (107872479).

Almost surely, 2^716075405 is an apocalyptic number.

It is an amenable number.

716075405 is a deficient number, since it is larger than the sum of its proper divisors (146904427).

716075405 is a wasteful number, since it uses less digits than its factorization.

716075405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614895.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 716075405 is about 26759.5852920033. The cubic root of 716075405 is about 894.6494908286.

The spelling of 716075405 in words is "seven hundred sixteen million, seventy-five thousand, four hundred five".