30216872 has 32 divisors (see below), whose sum is σ = 65145600. Its totient is φ = 12871104.

The previous prime is 30216863. The next prime is 30216881. The reversal of 30216872 is 27861203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30216863) and next prime (30216881).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8129 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (2035800).

Almost surely, 2^30216872 is an apocalyptic number.

It is an amenable number.

30216872 is an abundant number, since it is smaller than the sum of its proper divisors (34928728).

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

30216872 is a wasteful number, since it uses less digits than its factorization.

30216872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 30216872 is about 5496.9875386433. The cubic root of 30216872 is about 311.4701999255.

The spelling of 30216872 in words is "thirty million, two hundred sixteen thousand, eight hundred seventy-two".