30002975 has 12 divisors (see below), whose sum is σ = 37836120. Its totient is φ = 23594400.

The previous prime is 30002963. The next prime is 30002983. The reversal of 30002975 is 57920003.

It is not a de Polignac number, because 30002975 - 2¹² = 29998879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8696 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (3153010).

Almost surely, 2^30002975 is an apocalyptic number.

30002975 is a deficient number, since it is larger than the sum of its proper divisors (7833145).

30002975 is a wasteful number, since it uses less digits than its factorization.

30002975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410 (or 20405 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 30002975 is about 5477.4971474205. The cubic root of 30002975 is about 310.7335213856.

Adding to 30002975 its reverse (57920003), we get a palindrome (87922978).

The spelling of 30002975 in words is "thirty million, two thousand, nine hundred seventy-five".