716528947 has 16 divisors (see below), whose sum is σ = 753629184. Its totient is φ = 680400000.

The previous prime is 716528941. The next prime is 716528951. The reversal of 716528947 is 749825617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716528947 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 716528947.

It is not an unprimeable number, because it can be changed into a prime (716528941) 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 15 ways as a sum of consecutive naturals, for example, 551803 + ... + 553099.

It is an arithmetic number, because the mean of its divisors is an integer number (47101824).

Almost surely, 2^716528947 is an apocalyptic number.

716528947 is a deficient number, since it is larger than the sum of its proper divisors (37100237).

716528947 is a wasteful number, since it uses less digits than its factorization.

716528947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its digits is 846720, while the sum is 49.

The square root of 716528947 is about 26768.0583345150. The cubic root of 716528947 is about 894.8383328978.

The spelling of 716528947 in words is "seven hundred sixteen million, five hundred twenty-eight thousand, nine hundred forty-seven".