30275904 has 56 divisors (see below), whose sum is σ = 80759808. Its totient is φ = 10009600.

The previous prime is 30275897. The next prime is 30275939. The reversal of 30275904 is 40957203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25729 + ... + 26879.

Almost surely, 2^30275904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30275904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40379904).

30275904 is an abundant number, since it is smaller than the sum of its proper divisors (50483904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30275904 is a wasteful number, since it uses less digits than its factorization.

30275904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30275904 is about 5502.3544051615. The cubic root of 30275904 is about 311.6728984745.

The spelling of 30275904 in words is "thirty million, two hundred seventy-five thousand, nine hundred four".