749317 has 4 divisors (see below), whose sum is σ = 781920. Its totient is φ = 716716.

The previous prime is 749299. The next prime is 749323. The reversal of 749317 is 713947.

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: 713947 = 13 ⋅54919.

It is a cyclic number.

It is not a de Polignac number, because 749317 - 2¹⁵ = 716549 is a prime.

It is a super-2 number, since 2×749317² = 1122951932978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16267 + ... + 16312.

It is an arithmetic number, because the mean of its divisors is an integer number (195480).

2⁷⁴⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

749317 is a deficient number, since it is larger than the sum of its proper divisors (32603).

749317 is a wasteful number, since it uses less digits than its factorization.

749317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32602.

The product of its digits is 5292, while the sum is 31.

The square root of 749317 is about 865.6309837338. The cubic root of 749317 is about 90.8284414128.

The spelling of 749317 in words is "seven hundred forty-nine thousand, three hundred seventeen".