749138033 has 8 divisors (see below), whose sum is σ = 883776000. Its totient is φ = 621404640.

The previous prime is 749137999. The next prime is 749138053. The reversal of 749138033 is 330831947.

749138033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 749138033 - 2⁸ = 749137777 is a prime.

It is a super-2 number, since 2×749138033² = 1122415584974218178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (749138053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725908 + ... + 1726341.

It is an arithmetic number, because the mean of its divisors is an integer number (110472000).

Almost surely, 2^749138033 is an apocalyptic number.

It is an amenable number.

749138033 is a deficient number, since it is larger than the sum of its proper divisors (134637967).

749138033 is a wasteful number, since it uses less digits than its factorization.

749138033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452287.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 749138033 is about 27370.3860586584. The cubic root of 749138033 is about 908.2120967688.

The spelling of 749138033 in words is "seven hundred forty-nine million, one hundred thirty-eight thousand, thirty-three".