716332309 has 32 divisors (see below), whose sum is σ = 945985536. Its totient is φ = 525856320.

The previous prime is 716332307. The next prime is 716332343. The reversal of 716332309 is 903233617.

716332309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 716332309 - 2¹ = 716332307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716332301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115639 + ... + 121675.

It is an arithmetic number, because the mean of its divisors is an integer number (29562048).

Almost surely, 2^716332309 is an apocalyptic number.

It is an amenable number.

716332309 is a deficient number, since it is larger than the sum of its proper divisors (229653227).

716332309 is a wasteful number, since it uses less digits than its factorization.

716332309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 716332309 is about 26764.3850854078. The cubic root of 716332309 is about 894.7564681806.

The spelling of 716332309 in words is "seven hundred sixteen million, three hundred thirty-two thousand, three hundred nine".