749617 has 4 divisors (see below), whose sum is σ = 817776. Its totient is φ = 681460.

The previous prime is 749587. The next prime is 749641. The reversal of 749617 is 716947.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749677) 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, 34063 + ... + 34084.

It is an arithmetic number, because the mean of its divisors is an integer number (204444).

2⁷⁴⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

749617 is a deficient number, since it is larger than the sum of its proper divisors (68159).

749617 is a wasteful number, since it uses less digits than its factorization.

749617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68158.

The product of its digits is 10584, while the sum is 34.

The square root of 749617 is about 865.8042503938. The cubic root of 749617 is about 90.8405612930.

The spelling of 749617 in words is "seven hundred forty-nine thousand, six hundred seventeen".