30000372 has 48 divisors (see below), whose sum is σ = 74094720. Its totient is φ = 9427968.

The previous prime is 30000367. The next prime is 30000401. The reversal of 30000372 is 27300003.

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 15 ways as a sum of consecutive naturals, for example, 19404 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (1543640).

Almost surely, 2^30000372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37047360).

30000372 is an abundant number, since it is smaller than the sum of its proper divisors (44094348).

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

30000372 is a wasteful number, since it uses less digits than its factorization.

30000372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 30000372 is about 5477.2595337450. The cubic root of 30000372 is about 310.7245349128.

Adding to 30000372 its reverse (27300003), we get a palindrome (57300375).

The spelling of 30000372 in words is "thirty million, three hundred seventy-two", and thus it is an aban number.