30427974 has 48 divisors (see below), whose sum is σ = 69018768. Its totient is φ = 10046592.

The previous prime is 30427927. The next prime is 30427981. The reversal of 30427974 is 47972403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66354 + ... + 66810.

It is an arithmetic number, because the mean of its divisors is an integer number (1437891).

Almost surely, 2^30427974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30427974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34509384).

30427974 is an abundant number, since it is smaller than the sum of its proper divisors (38590794).

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

30427974 is a wasteful number, since it uses less digits than its factorization.

30427974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 30427974 is about 5516.1557265908. The cubic root of 30427974 is about 312.1938514250.

The spelling of 30427974 in words is "thirty million, four hundred twenty-seven thousand, nine hundred seventy-four".