30673173 has 4 divisors (see below), whose sum is σ = 40897568. Its totient is φ = 20448780.

The previous prime is 30673171. The next prime is 30673183. The reversal of 30673173 is 37137603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30673173 - 2¹ = 30673171 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30673173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30673171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5112193 + ... + 5112198.

It is an arithmetic number, because the mean of its divisors is an integer number (10224392).

Almost surely, 2^30673173 is an apocalyptic number.

It is an amenable number.

30673173 is a deficient number, since it is larger than the sum of its proper divisors (10224395).

30673173 is a wasteful number, since it uses less digits than its factorization.

30673173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224394.

The product of its (nonzero) digits is 7938, while the sum is 30.

The square root of 30673173 is about 5538.3366636563. The cubic root of 30673173 is about 313.0301971159.

The spelling of 30673173 in words is "thirty million, six hundred seventy-three thousand, one hundred seventy-three".