30741 has 4 divisors (see below), whose sum is σ = 40992. Its totient is φ = 20492.

The previous prime is 30727. The next prime is 30757. The reversal of 30741 is 14703.

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 not a de Polignac number, because 30741 - 2⁶ = 30677 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

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 30741.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30741.

It is not an unprimeable number, because it can be changed into a prime (30781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (10248).

2³⁰⁷⁴¹ is an apocalyptic number.

It is an amenable number.

30741 is a deficient number, since it is larger than the sum of its proper divisors (10251).

30741 is a wasteful number, since it uses less digits than its factorization.

30741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 30741 is about 175.3311153218. The cubic root of 30741 is about 31.3260759813.

The spelling of 30741 in words is "thirty thousand, seven hundred forty-one".