30475173 has 16 divisors (see below), whose sum is σ = 41531072. Its totient is φ = 19872000.

The previous prime is 30475171. The next prime is 30475187. The reversal of 30475173 is 37157403.

It is not a de Polignac number, because 30475173 - 2¹ = 30475171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30475173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30475171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43758 + ... + 44448.

It is an arithmetic number, because the mean of its divisors is an integer number (2595692).

Almost surely, 2^30475173 is an apocalyptic number.

It is an amenable number.

30475173 is a deficient number, since it is larger than the sum of its proper divisors (11055899).

30475173 is a wasteful number, since it uses less digits than its factorization.

30475173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30475173 is about 5520.4323200271. The cubic root of 30475173 is about 312.3551900800.

The spelling of 30475173 in words is "thirty million, four hundred seventy-five thousand, one hundred seventy-three".