749330 has 8 divisors (see below), whose sum is σ = 1348812. Its totient is φ = 299728.

The previous prime is 749323. The next prime is 749339. The reversal of 749330 is 33947.

It can be written as a sum of positive squares in 2 ways, for example, as 737881 + 11449 = 859^2 + 107^2 .

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

It is a super-2 number, since 2×749330² = 1122990897800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 749330.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749330.

It is not an unprimeable number, because it can be changed into a prime (749339) by changing a digit.

749330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37457 + ... + 37476.

2⁷⁴⁹³³⁰ is an apocalyptic number.

749330 is a deficient number, since it is larger than the sum of its proper divisors (599482).

749330 is a wasteful number, since it uses less digits than its factorization.

749330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74940.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 749330 is about 865.6384926746. The cubic root of 749330 is about 90.8289666747.

The spelling of 749330 in words is "seven hundred forty-nine thousand, three hundred thirty".