30205704 has 32 divisors (see below), whose sum is σ = 78120000. Its totient is φ = 9721152.

The previous prime is 30205697. The next prime is 30205711. The reversal of 30205704 is 40750203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30205697) and next prime (30205711).

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, 21004 + ... + 22395.

It is an arithmetic number, because the mean of its divisors is an integer number (2441250).

Almost surely, 2^30205704 is an apocalyptic number.

It is an amenable number.

30205704 is an abundant number, since it is smaller than the sum of its proper divisors (47914296).

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

30205704 is a wasteful number, since it uses less digits than its factorization.

30205704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43437 (or 43433 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 30205704 is about 5495.9716156472. The cubic root of 30205704 is about 311.4318226040.

Adding to 30205704 its reverse (40750203), we get a palindrome (70955907).

The spelling of 30205704 in words is "thirty million, two hundred five thousand, seven hundred four".