30744013 has 2 divisors, whose sum is σ = 30744014. Its totient is φ = 30744012.

The previous prime is 30744001. The next prime is 30744019. The reversal of 30744013 is 31044703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 5322249 = 5042^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 30744013 - 2⁵ = 30743981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30744019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15372006 + 15372007.

It is an arithmetic number, because the mean of its divisors is an integer number (15372007).

Almost surely, 2^30744013 is an apocalyptic number.

It is an amenable number.

30744013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30744013 is an equidigital number, since it uses as much as digits as its factorization.

30744013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30744013 is about 5544.7283973158. The cubic root of 30744013 is about 313.2709939609.

Adding to 30744013 its reverse (31044703), we get a palindrome (61788716).

The spelling of 30744013 in words is "thirty million, seven hundred forty-four thousand, thirteen".