716440312 has 16 divisors (see below), whose sum is σ = 1535229360. Its totient is φ = 307045824.

The previous prime is 716440289. The next prime is 716440321. The reversal of 716440312 is 213044617.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396733 + ... + 6396844.

It is an arithmetic number, because the mean of its divisors is an integer number (95951835).

Almost surely, 2^716440312 is an apocalyptic number.

It is an amenable number.

716440312 is an abundant number, since it is smaller than the sum of its proper divisors (818789048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716440312 is a wasteful number, since it uses less digits than its factorization.

716440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793590 (or 12793586 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 716440312 is about 26766.4026720066. The cubic root of 716440312 is about 894.8014340553.

Adding to 716440312 its reverse (213044617), we get a palindrome (929484929).

The spelling of 716440312 in words is "seven hundred sixteen million, four hundred forty thousand, three hundred twelve".