42541784 has 32 divisors (see below), whose sum is σ = 81681600. Its totient is φ = 20766240.

The previous prime is 42541783. The next prime is 42541787. The reversal of 42541784 is 48714524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74219 + ... + 74789.

It is an arithmetic number, because the mean of its divisors is an integer number (2552550).

Almost surely, 2^42541784 is an apocalyptic number.

It is an amenable number.

42541784 is a deficient number, since it is larger than the sum of its proper divisors (39139816).

42541784 is a wasteful number, since it uses less digits than its factorization.

42541784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 779 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 42541784 is about 6522.4063044248. The cubic root of 42541784 is about 349.0909306772.

The spelling of 42541784 in words is "forty-two million, five hundred forty-one thousand, seven hundred eighty-four".