30275450 has 12 divisors (see below), whose sum is σ = 56312430. Its totient is φ = 12110160.

The previous prime is 30275447. The next prime is 30275461. The reversal of 30275450 is 5457203.

It can be written as a sum of positive squares in 3 ways, for example, as 29495761 + 779689 = 5431^2 + 883^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302705 + ... + 302804.

Almost surely, 2^30275450 is an apocalyptic number.

30275450 is a deficient number, since it is larger than the sum of its proper divisors (26036980).

30275450 is a wasteful number, since it uses less digits than its factorization.

30275450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605521 (or 605516 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 30275450 is about 5502.3131499398. The cubic root of 30275450 is about 311.6713405777.

The spelling of 30275450 in words is "thirty million, two hundred seventy-five thousand, four hundred fifty".