30797173 has 16 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 26983600.

The previous prime is 30797147. The next prime is 30797177. The reversal of 30797173 is 37179703.

It is a cyclic number.

It is not a de Polignac number, because 30797173 - 2⁵ = 30797141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30797177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36288 + ... + 37126.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^30797173 is an apocalyptic number.

It is an amenable number.

30797173 is a deficient number, since it is larger than the sum of its proper divisors (4039307).

30797173 is a wasteful number, since it uses less digits than its factorization.

30797173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 30797173 is about 5549.5200693393. The cubic root of 30797173 is about 313.4514507395.

The spelling of 30797173 in words is "thirty million, seven hundred ninety-seven thousand, one hundred seventy-three".