30873966 has 8 divisors (see below), whose sum is σ = 61747944. Its totient is φ = 10291320.

The previous prime is 30873961. The next prime is 30873967. The reversal of 30873966 is 66937803.

It is a sphenic number, since it is the product of 3 distinct primes.

30873966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30873961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572825 + ... + 2572836.

It is an arithmetic number, because the mean of its divisors is an integer number (7718493).

Almost surely, 2^30873966 is an apocalyptic number.

30873966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30873966 is a wasteful number, since it uses less digits than its factorization.

30873966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145666.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 30873966 is about 5556.4346482254. The cubic root of 30873966 is about 313.7117657361.

The spelling of 30873966 in words is "thirty million, eight hundred seventy-three thousand, nine hundred sixty-six".