30307304 has 8 divisors (see below), whose sum is σ = 56826210. Its totient is φ = 15153648.

The previous prime is 30307283. The next prime is 30307313. The reversal of 30307304 is 40370303.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 1684804 = 5350^2 + 1298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894199 + ... + 1894214.

Almost surely, 2^30307304 is an apocalyptic number.

It is an amenable number.

30307304 is a deficient number, since it is larger than the sum of its proper divisors (26518906).

30307304 is a wasteful number, since it uses less digits than its factorization.

30307304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788419 (or 3788415 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30307304 is about 5505.2069897507. The cubic root of 30307304 is about 311.7806095183.

Adding to 30307304 its reverse (40370303), we get a palindrome (70677607).

The spelling of 30307304 in words is "thirty million, three hundred seven thousand, three hundred four".