749606173 has 4 divisors (see below), whose sum is σ = 749662560. Its totient is φ = 749549788.

The previous prime is 749606167. The next prime is 749606191. The reversal of 749606173 is 371606947.

749606173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749606173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749606113) 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, 4008 + ... + 38926.

It is an arithmetic number, because the mean of its divisors is an integer number (187415640).

Almost surely, 2^749606173 is an apocalyptic number.

It is an amenable number.

749606173 is a deficient number, since it is larger than the sum of its proper divisors (56387).

749606173 is a wasteful number, since it uses less digits than its factorization.

749606173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56386.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 749606173 is about 27378.9366667152. The cubic root of 749606173 is about 908.4012394276.

The spelling of 749606173 in words is "seven hundred forty-nine million, six hundred six thousand, one hundred seventy-three".