30872408 has 32 divisors (see below), whose sum is σ = 70048800. Its totient is φ = 12452352.

The previous prime is 30872383. The next prime is 30872411. The reversal of 30872408 is 80427803.

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, 15263 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (2189025).

Almost surely, 2^30872408 is an apocalyptic number.

It is an amenable number.

30872408 is an abundant number, since it is smaller than the sum of its proper divisors (39176392).

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

30872408 is a wasteful number, since it uses less digits than its factorization.

30872408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32459 (or 32455 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 30872408 is about 5556.2944486411. The cubic root of 30872408 is about 313.7064886778.

The spelling of 30872408 in words is "thirty million, eight hundred seventy-two thousand, four hundred eight".