749165 has 8 divisors (see below), whose sum is σ = 903960. Its totient is φ = 596032.

The previous prime is 749153. The next prime is 749167. The reversal of 749165 is 561947.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 724201 = 158^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 749165 - 2⁴ = 749149 is a prime.

It is a super-2 number, since 2×749165² = 1122496394450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749167) 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 7 ways as a sum of consecutive naturals, for example, 1067 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (112995).

2⁷⁴⁹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

749165 is a deficient number, since it is larger than the sum of its proper divisors (154795).

749165 is a wasteful number, since it uses less digits than its factorization.

749165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its digits is 7560, while the sum is 32.

The square root of 749165 is about 865.5431820539. The cubic root of 749165 is about 90.8222994387.

The spelling of 749165 in words is "seven hundred forty-nine thousand, one hundred sixty-five".