30882872 has 8 divisors (see below), whose sum is σ = 57905400. Its totient is φ = 15441432.

The previous prime is 30882823. The next prime is 30882877. The reversal of 30882872 is 27828803.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30882877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930172 + ... + 1930187.

It is an arithmetic number, because the mean of its divisors is an integer number (7238175).

Almost surely, 2^30882872 is an apocalyptic number.

It is an amenable number.

30882872 is a deficient number, since it is larger than the sum of its proper divisors (27022528).

30882872 is a wasteful number, since it uses less digits than its factorization.

30882872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860365 (or 3860361 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 30882872 is about 5557.2360036263. The cubic root of 30882872 is about 313.7419275924.

The spelling of 30882872 in words is "thirty million, eight hundred eighty-two thousand, eight hundred seventy-two".