42474942 has 96 divisors (see below), whose sum is σ = 104019552. Its totient is φ = 12939264.

The previous prime is 42474923. The next prime is 42474953. The reversal of 42474942 is 24947424.

42474942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42474942³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42474897 and 42474906.

It is a congruent number.

It is an unprimeable number.

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, 437838 + ... + 437934.

It is an arithmetic number, because the mean of its divisors is an integer number (1083537).

Almost surely, 2^42474942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42474942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52009776).

42474942 is an abundant number, since it is smaller than the sum of its proper divisors (61544610).

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

42474942 is a wasteful number, since it uses less digits than its factorization.

42474942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 172 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42474942 is about 6517.2802609678. The cubic root of 42474942 is about 348.9080033268.

The spelling of 42474942 in words is "forty-two million, four hundred seventy-four thousand, nine hundred forty-two".