30307434 has 16 divisors (see below), whose sum is σ = 60670272. Its totient is φ = 10093248.

The previous prime is 30307427. The next prime is 30307457. The reversal of 30307434 is 43470303.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9282 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (3791892).

Almost surely, 2^30307434 is an apocalyptic number.

30307434 is an abundant number, since it is smaller than the sum of its proper divisors (30362838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30307434 is a wasteful number, since it uses less digits than its factorization.

30307434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 30307434 is about 5505.2187967419. The cubic root of 30307434 is about 311.7810553010.

Adding to 30307434 its reverse (43470303), we get a palindrome (73777737).

The spelling of 30307434 in words is "thirty million, three hundred seven thousand, four hundred thirty-four".