30873700 has 144 divisors (see below), whose sum is σ = 83994624. Its totient is φ = 9676800.

The previous prime is 30873691. The next prime is 30873701. The reversal of 30873700 is 737803.

It is not an unprimeable number, because it can be changed into a prime (30873701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243037 + ... + 243163.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 2^30873700 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 30873700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41997312).

30873700 is an abundant number, since it is smaller than the sum of its proper divisors (53120924).

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

30873700 is a wasteful number, since it uses less digits than its factorization.

30873700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 30873700 is about 5556.4107119615. The cubic root of 30873700 is about 313.7108647875.

The spelling of 30873700 in words is "thirty million, eight hundred seventy-three thousand, seven hundred".