30373812 has 48 divisors (see below), whose sum is σ = 89998720. Its totient is φ = 8678016.

The previous prime is 30373807. The next prime is 30373843. The reversal of 30373812 is 21837303.

It is a super-2 number, since 2×30373812² = 1845136910822688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19333 + ... + 20844.

Almost surely, 2^30373812 is an apocalyptic number.

It is an amenable number.

30373812 is an abundant number, since it is smaller than the sum of its proper divisors (59624908).

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

30373812 is a wasteful number, since it uses less digits than its factorization.

30373812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40197 (or 40189 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30373812 is about 5511.2441426596. The cubic root of 30373812 is about 312.0085056853.

The spelling of 30373812 in words is "thirty million, three hundred seventy-three thousand, eight hundred twelve".