30675028 has 6 divisors (see below), whose sum is σ = 53681306. Its totient is φ = 15337512.

The previous prime is 30675017. The next prime is 30675041. The reversal of 30675028 is 82057603.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 5253264 = 5042^2 + 2292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834375 + ... + 3834382.

Almost surely, 2^30675028 is an apocalyptic number.

It is an amenable number.

30675028 is a deficient number, since it is larger than the sum of its proper divisors (23006278).

30675028 is a wasteful number, since it uses less digits than its factorization.

30675028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668761 (or 7668759 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 30675028 is about 5538.5041301781. The cubic root of 30675028 is about 313.0365072913.

The spelling of 30675028 in words is "thirty million, six hundred seventy-five thousand, twenty-eight".