42474844 has 12 divisors (see below), whose sum is σ = 74416104. Its totient is φ = 21213104.

The previous prime is 42474797. The next prime is 42474847. The reversal of 42474844 is 44847424.

It is a super-2 number, since 2×42474844² = 3608224745648672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474847) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1819 + ... + 9394.

It is an arithmetic number, because the mean of its divisors is an integer number (6201342).

Almost surely, 2^42474844 is an apocalyptic number.

It is an amenable number.

42474844 is a deficient number, since it is larger than the sum of its proper divisors (31941260).

42474844 is a wasteful number, since it uses less digits than its factorization.

42474844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164 (or 12162 counting only the distinct ones).

The product of its digits is 114688, while the sum is 37.

The square root of 42474844 is about 6517.2727424898. The cubic root of 42474844 is about 348.9077349881.

The spelling of 42474844 in words is "forty-two million, four hundred seventy-four thousand, eight hundred forty-four".