42743344 has 20 divisors (see below), whose sum is σ = 94646224. Its totient is φ = 18318528.

The previous prime is 42743273. The next prime is 42743353. The reversal of 42743344 is 44334724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190707 + ... + 190930.

Almost surely, 2^42743344 is an apocalyptic number.

It is an amenable number.

42743344 is an abundant number, since it is smaller than the sum of its proper divisors (51902880).

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

42743344 is a wasteful number, since it uses less digits than its factorization.

42743344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381652 (or 381646 counting only the distinct ones).

The product of its digits is 32256, while the sum is 31.

The square root of 42743344 is about 6537.8393984557. The cubic root of 42743344 is about 349.6413850645.

The spelling of 42743344 in words is "forty-two million, seven hundred forty-three thousand, three hundred forty-four".