30307700 has 36 divisors (see below), whose sum is σ = 66141600. Its totient is φ = 12054240.

The previous prime is 30307691. The next prime is 30307709. The reversal of 30307700 is 770303.

It is an interprime number because it is at equal distance from previous prime (30307691) and next prime (30307709).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30307709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19139 + ... + 20661.

Almost surely, 2^30307700 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 30307700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33070800).

30307700 is an abundant number, since it is smaller than the sum of its proper divisors (35833900).

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

30307700 is a wasteful number, since it uses less digits than its factorization.

30307700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 20.

The square root of 30307700 is about 5505.2429555833. The cubic root of 30307700 is about 311.7819674372.

The spelling of 30307700 in words is "thirty million, three hundred seven thousand, seven hundred".