716504737 has 6 divisors (see below), whose sum is σ = 775860342. Its totient is φ = 661388832.

The previous prime is 716504699. The next prime is 716504749. The reversal of 716504737 is 737405617.

It can be written as a sum of positive squares in 3 ways, for example, as 59043856 + 657460881 = 7684^2 + 25641^2 .

It is a de Polignac number, because none of the positive numbers 2^k-716504737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716504737.

It is not an unprimeable number, because it can be changed into a prime (716505737) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2119668 + ... + 2120005.

It is an arithmetic number, because the mean of its divisors is an integer number (129310057).

Almost surely, 2^716504737 is an apocalyptic number.

It is an amenable number.

716504737 is a deficient number, since it is larger than the sum of its proper divisors (59355605).

716504737 is a wasteful number, since it uses less digits than its factorization.

716504737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239699 (or 4239686 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 716504737 is about 26767.6061126131. The cubic root of 716504737 is about 894.8282545518.

The spelling of 716504737 in words is "seven hundred sixteen million, five hundred four thousand, seven hundred thirty-seven".