30275929 has 6 divisors (see below), whose sum is σ = 32161934. Its totient is φ = 28494720.

The previous prime is 30275897. The next prime is 30275939. The reversal of 30275929 is 92957203.

It can be written as a sum of positive squares in 3 ways, for example, as 6734025 + 23541904 = 2595^2 + 4852^2 .

It is not a de Polignac number, because 30275929 - 2⁵ = 30275897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30275939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52092 + ... + 52669.

Almost surely, 2^30275929 is an apocalyptic number.

It is an amenable number.

30275929 is a deficient number, since it is larger than the sum of its proper divisors (1886005).

30275929 is a wasteful number, since it uses less digits than its factorization.

30275929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104795 (or 104778 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 30275929 is about 5502.3566769158. The cubic root of 30275929 is about 311.6729842613.

The spelling of 30275929 in words is "thirty million, two hundred seventy-five thousand, nine hundred twenty-nine".