30446973 has 12 divisors (see below), whose sum is σ = 44509920. Its totient is φ = 20052936.

The previous prime is 30446971. The next prime is 30447007. The reversal of 30446973 is 37964403.

It is not a de Polignac number, because 30446973 - 2¹ = 30446971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30446971) 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, 19633 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (3709160).

Almost surely, 2^30446973 is an apocalyptic number.

It is an amenable number.

30446973 is a deficient number, since it is larger than the sum of its proper divisors (14062947).

30446973 is a wasteful number, since it uses less digits than its factorization.

30446973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40848 (or 40845 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 30446973 is about 5517.8775810995. The cubic root of 30446973 is about 312.2588150767.

The spelling of 30446973 in words is "thirty million, four hundred forty-six thousand, nine hundred seventy-three".