724562317 has 4 divisors (see below), whose sum is σ = 726038496. Its totient is φ = 723086140.

The previous prime is 724562309. The next prime is 724562323. The reversal of 724562317 is 713265427.

It is a happy number.

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: 713265427 = 7 ⋅101895061.

It is a cyclic number.

It is not a de Polignac number, because 724562317 - 2³ = 724562309 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 (724562327) 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, 737353 + ... + 738334.

It is an arithmetic number, because the mean of its divisors is an integer number (181509624).

Almost surely, 2^724562317 is an apocalyptic number.

It is an amenable number.

724562317 is a deficient number, since it is larger than the sum of its proper divisors (1476179).

724562317 is a wasteful number, since it uses less digits than its factorization.

724562317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476178.

The product of its digits is 70560, while the sum is 37.

The square root of 724562317 is about 26917.6952393774. The cubic root of 724562317 is about 898.1700748301.

The spelling of 724562317 in words is "seven hundred twenty-four million, five hundred sixty-two thousand, three hundred seventeen".