30675073 has 12 divisors (see below), whose sum is σ = 36312724. Its totient is φ = 25740000.

The previous prime is 30675041. The next prime is 30675119. The reversal of 30675073 is 37057603.

It can be written as a sum of positive squares in 2 ways, for example, as 10036224 + 20638849 = 3168^2 + 4543^2 .

It is not a de Polignac number, because 30675073 - 2⁵ = 30675041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30672073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8178 + ... + 11323.

Almost surely, 2^30675073 is an apocalyptic number.

It is an amenable number.

30675073 is a deficient number, since it is larger than the sum of its proper divisors (5637651).

30675073 is a wasteful number, since it uses less digits than its factorization.

30675073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19536 (or 19525 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 30675073 is about 5538.5081926454. The cubic root of 30675073 is about 313.0366603652.

The spelling of 30675073 in words is "thirty million, six hundred seventy-five thousand, seventy-three".