717320012 has 12 divisors (see below), whose sum is σ = 1261815576. Its totient is φ = 356801280.

The previous prime is 717320011. The next prime is 717320033. The reversal of 717320012 is 210023717.

717320012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 717320012.

It is not an unprimeable number, because it can be changed into a prime (717320011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463814 + ... + 465357.

It is an arithmetic number, because the mean of its divisors is an integer number (105151298).

Almost surely, 2^717320012 is an apocalyptic number.

It is an amenable number.

717320012 is a deficient number, since it is larger than the sum of its proper divisors (544495564).

717320012 is a wasteful number, since it uses less digits than its factorization.

717320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929368 (or 929366 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 717320012 is about 26782.8305449592. The cubic root of 717320012 is about 895.1675193853.

Adding to 717320012 its reverse (210023717), we get a palindrome (927343729).

The spelling of 717320012 in words is "seven hundred seventeen million, three hundred twenty thousand, twelve".