30343700 has 72 divisors (see below), whose sum is σ = 69266400. Its totient is φ = 11525760.

The previous prime is 30343673. The next prime is 30343723. The reversal of 30343700 is 734303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218231 + ... + 218369.

Almost surely, 2^30343700 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 30343700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34633200).

30343700 is an abundant number, since it is smaller than the sum of its proper divisors (38922700).

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

30343700 is a wasteful number, since it uses less digits than its factorization.

30343700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30343700 is about 5508.5115957035. The cubic root of 30343700 is about 311.9053652280.

The spelling of 30343700 in words is "thirty million, three hundred forty-three thousand, seven hundred".