717324013 has 4 divisors (see below), whose sum is σ = 819798880. Its totient is φ = 614849148.

The previous prime is 717324007. The next prime is 717324037. The reversal of 717324013 is 310423717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310423717 = 311 ⋅998147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-717324013 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 (717322013) 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, 51237423 + ... + 51237436.

It is an arithmetic number, because the mean of its divisors is an integer number (204949720).

Almost surely, 2^717324013 is an apocalyptic number.

It is an amenable number.

717324013 is a deficient number, since it is larger than the sum of its proper divisors (102474867).

717324013 is a wasteful number, since it uses less digits than its factorization.

717324013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102474866.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 717324013 is about 26782.9052382299. The cubic root of 717324013 is about 895.1691837092.

The spelling of 717324013 in words is "seven hundred seventeen million, three hundred twenty-four thousand, thirteen".