30874205 has 4 divisors (see below), whose sum is σ = 37049052. Its totient is φ = 24699360.

The previous prime is 30874163. The next prime is 30874213. The reversal of 30874205 is 50247803.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18335524 + 12538681 = 4282^2 + 3541^2 .

It is not a de Polignac number, because 30874205 - 2¹⁰ = 30873181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3087416 + ... + 3087425.

It is an arithmetic number, because the mean of its divisors is an integer number (9262263).

Almost surely, 2^30874205 is an apocalyptic number.

It is an amenable number.

30874205 is a deficient number, since it is larger than the sum of its proper divisors (6174847).

30874205 is an equidigital number, since it uses as much as digits as its factorization.

30874205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174846.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 30874205 is about 5556.4561547807. The cubic root of 30874205 is about 313.7125752306.

The spelling of 30874205 in words is "thirty million, eight hundred seventy-four thousand, two hundred five".