30426942 has 96 divisors (see below), whose sum is σ = 80438400. Its totient is φ = 7584192.

The previous prime is 30426917. The next prime is 30426943. The reversal of 30426942 is 24962403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30426943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72409 + ... + 72827.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^30426942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30426942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40219200).

30426942 is an abundant number, since it is smaller than the sum of its proper divisors (50011458).

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

30426942 is a wasteful number, since it uses less digits than its factorization.

30426942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 30426942 is about 5516.0621823906. The cubic root of 30426942 is about 312.1903219130.

The spelling of 30426942 in words is "thirty million, four hundred twenty-six thousand, nine hundred forty-two".