30342900 has 72 divisors (see below), whose sum is σ = 100340800. Its totient is φ = 6935040.

The previous prime is 30342899. The next prime is 30342901. The reversal of 30342900 is 924303.

It is an interprime number because it is at equal distance from previous prime (30342899) and next prime (30342901).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5125 + ... + 9324.

Almost surely, 2^30342900 is an apocalyptic number.

30342900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30342900 is an abundant number, since it is smaller than the sum of its proper divisors (69997900).

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

30342900 is a wasteful number, since it uses less digits than its factorization.

30342900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14473 (or 14466 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30342900 is about 5508.4389803283. The cubic root of 30342900 is about 311.9026241156.

The spelling of 30342900 in words is "thirty million, three hundred forty-two thousand, nine hundred".