30504879 has 12 divisors (see below), whose sum is σ = 44155800. Its totient is φ = 20293584.

The previous prime is 30504857. The next prime is 30504883. The reversal of 30504879 is 97840503.

It is not a de Polignac number, because 30504879 - 2⁵ = 30504847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1252 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (3679650).

Almost surely, 2^30504879 is an apocalyptic number.

30504879 is a deficient number, since it is larger than the sum of its proper divisors (13650921).

30504879 is a wasteful number, since it uses less digits than its factorization.

30504879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7171 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30504879 is about 5523.1222148346. The cubic root of 30504879 is about 312.4566476394.

The spelling of 30504879 in words is "thirty million, five hundred four thousand, eight hundred seventy-nine".