30942450 has 288 divisors, whose sum is σ = 111421440. Its totient is φ = 5961600.

The previous prime is 30942427. The next prime is 30942463. The reversal of 30942450 is 5424903.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 658327 + ... + 658373.

It is an arithmetic number, because the mean of its divisors is an integer number (386880).

Almost surely, 2^30942450 is an apocalyptic number.

30942450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30942450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55710720).

30942450 is an abundant number, since it is smaller than the sum of its proper divisors (80478990).

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

30942450 is a wasteful number, since it uses less digits than its factorization.

30942450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30942450 is about 5562.5938194335. The cubic root of 30942450 is about 313.9435507812.

The spelling of 30942450 in words is "thirty million, nine hundred forty-two thousand, four hundred fifty".