749017 has 4 divisors (see below), whose sum is σ = 766480. Its totient is φ = 731556.

The previous prime is 749011. The next prime is 749027. The reversal of 749017 is 710947.

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: 710947 = 73 ⋅9739.

It is a cyclic number.

It is not a de Polignac number, because 749017 - 2⁷ = 748889 is a prime.

It is a super-2 number, since 2×749017² = 1122052932578, which contains 22 as substring.

It is a Duffinian number.

749017 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (749011) by changing a digit.

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, 8667 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (191620).

2⁷⁴⁹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

749017 is a deficient number, since it is larger than the sum of its proper divisors (17463).

749017 is a wasteful number, since it uses less digits than its factorization.

749017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 749017 is about 865.4576823855. The cubic root of 749017 is about 90.8163182973.

Subtracting from 749017 its product of nonzero digits (1764), we obtain a triangular number (747253 = T₁₂₂₂).

The spelling of 749017 in words is "seven hundred forty-nine thousand, seventeen".