30799205 has 8 divisors (see below), whose sum is σ = 37565304. Its totient is φ = 24235200.

The previous prime is 30799187. The next prime is 30799229. The reversal of 30799205 is 50299703.

It can be written as a sum of positive squares in 4 ways, for example, as 3247204 + 27552001 = 1802^2 + 5249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30799205 - 2¹⁴ = 30782821 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 50186 + ... + 50795.

It is an arithmetic number, because the mean of its divisors is an integer number (4695663).

Almost surely, 2^30799205 is an apocalyptic number.

It is an amenable number.

30799205 is a deficient number, since it is larger than the sum of its proper divisors (6766099).

30799205 is a wasteful number, since it uses less digits than its factorization.

30799205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101047.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 30799205 is about 5549.7031452142. The cubic root of 30799205 is about 313.4583444387.

The spelling of 30799205 in words is "thirty million, seven hundred ninety-nine thousand, two hundred five".