749117 has 4 divisors (see below), whose sum is σ = 756636. Its totient is φ = 741600.

The previous prime is 749093. The next prime is 749129. The reversal of 749117 is 711947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 75076 = 821^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 749117 - 2⁸ = 748861 is a prime.

It is a super-3 number, since 3×749117³ = 1261160073335353839, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749137) 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, 3608 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (189159).

2⁷⁴⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

749117 is a deficient number, since it is larger than the sum of its proper divisors (7519).

749117 is a wasteful number, since it uses less digits than its factorization.

749117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518.

The product of its digits is 1764, while the sum is 29.

The square root of 749117 is about 865.5154533571. The cubic root of 749117 is about 90.8203596954.

The spelling of 749117 in words is "seven hundred forty-nine thousand, one hundred seventeen".