30304724 has 6 divisors (see below), whose sum is σ = 53033274. Its totient is φ = 15152360.

The previous prime is 30304721. The next prime is 30304759. The reversal of 30304724 is 42740303.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 10679824 = 4430^2 + 3268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30304724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788087 + ... + 3788094.

It is an arithmetic number, because the mean of its divisors is an integer number (8838879).

Almost surely, 2^30304724 is an apocalyptic number.

It is an amenable number.

30304724 is a deficient number, since it is larger than the sum of its proper divisors (22728550).

30304724 is a wasteful number, since it uses less digits than its factorization.

30304724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576185 (or 7576183 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30304724 is about 5504.9726611492. The cubic root of 30304724 is about 311.7717621812.

The spelling of 30304724 in words is "thirty million, three hundred four thousand, seven hundred twenty-four".