42734744 has 32 divisors (see below), whose sum is σ = 87593520. Its totient is φ = 19426176.

The previous prime is 42734723. The next prime is 42734779. The reversal of 42734744 is 44743724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3902 + ... + 10034.

Almost surely, 2^42734744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42734744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43796760).

42734744 is an abundant number, since it is smaller than the sum of its proper divisors (44858776).

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

42734744 is a wasteful number, since it uses less digits than its factorization.

42734744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219 (or 6215 counting only the distinct ones).

The product of its digits is 75264, while the sum is 35.

The square root of 42734744 is about 6537.1816557290. The cubic root of 42734744 is about 349.6179341026.

The spelling of 42734744 in words is "forty-two million, seven hundred thirty-four thousand, seven hundred forty-four".