30146975 has 12 divisors (see below), whose sum is σ = 38179104. Its totient is φ = 23603520.

The previous prime is 30146957. The next prime is 30147031. The reversal of 30146975 is 57964103.

It is not a de Polignac number, because 30146975 - 2⁸ = 30146719 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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, 11654 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (3181592).

Almost surely, 2^30146975 is an apocalyptic number.

30146975 is a deficient number, since it is larger than the sum of its proper divisors (8032129).

30146975 is a wasteful number, since it uses less digits than its factorization.

30146975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25714 (or 25709 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 30146975 is about 5490.6261027318. The cubic root of 30146975 is about 311.2298525154.

The spelling of 30146975 in words is "thirty million, one hundred forty-six thousand, nine hundred seventy-five".