30275872 has 24 divisors (see below), whose sum is σ = 65025072. Its totient is φ = 13761600.

The previous prime is 30275867. The next prime is 30275887. The reversal of 30275872 is 27857203.

It is a super-3 number, since 3×30275872³ (a number of 23 digits) contains 333 as substring.

It is a pancake number, because a pancake can be divided into 30275872 parts by 7781 straight cuts.

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 3 ways as a sum of consecutive naturals, for example, 42654 + ... + 43357.

It is an arithmetic number, because the mean of its divisors is an integer number (2709378).

Almost surely, 2^30275872 is an apocalyptic number.

30275872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30275872 is an abundant number, since it is smaller than the sum of its proper divisors (34749200).

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

30275872 is a wasteful number, since it uses less digits than its factorization.

30275872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86032 (or 86024 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 30275872 is about 5502.3514973146. The cubic root of 30275872 is about 311.6727886673.

The spelling of 30275872 in words is "thirty million, two hundred seventy-five thousand, eight hundred seventy-two".