42571744 has 24 divisors (see below), whose sum is σ = 83984040. Its totient is φ = 21242496.

The previous prime is 42571741. The next prime is 42571759. The reversal of 42571744 is 44717524.

It is a happy number.

It is a super-3 number, since 3×42571744³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42571741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19542 + ... + 21610.

It is an arithmetic number, because the mean of its divisors is an integer number (3499335).

Almost surely, 2^42571744 is an apocalyptic number.

It is an amenable number.

42571744 is a deficient number, since it is larger than the sum of its proper divisors (41412296).

42571744 is a wasteful number, since it uses less digits than its factorization.

42571744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722 (or 2714 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 42571744 is about 6524.7025985864. The cubic root of 42571744 is about 349.1728604027.

The spelling of 42571744 in words is "forty-two million, five hundred seventy-one thousand, seven hundred forty-four".