30530770 has 16 divisors (see below), whose sum is σ = 55024920. Its totient is φ = 12196864.

The previous prime is 30530741. The next prime is 30530771. The reversal of 30530770 is 7703503.

It can be written as a sum of positive squares in 4 ways, for example, as 22629049 + 7901721 = 4757^2 + 2811^2 .

It is not an unprimeable number, because it can be changed into a prime (30530771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9714 + ... + 12466.

Almost surely, 2^30530770 is an apocalyptic number.

30530770 is a deficient number, since it is larger than the sum of its proper divisors (24494150).

30530770 is a wasteful number, since it uses less digits than its factorization.

30530770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 30530770 is about 5525.4655912421. The cubic root of 30530770 is about 312.5450217801.

The spelling of 30530770 in words is "thirty million, five hundred thirty thousand, seven hundred seventy".