42734738 has 8 divisors (see below), whose sum is σ = 64607232. Its totient is φ = 21198996.

The previous prime is 42734723. The next prime is 42734779. The reversal of 42734738 is 83743724.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 83870 + ... + 84377.

It is an arithmetic number, because the mean of its divisors is an integer number (8075904).

Almost surely, 2^42734738 is an apocalyptic number.

42734738 is a deficient number, since it is larger than the sum of its proper divisors (21872494).

42734738 is a wasteful number, since it uses less digits than its factorization.

42734738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168376.

The product of its digits is 112896, while the sum is 38.

The square root of 42734738 is about 6537.1811968156. The cubic root of 42734738 is about 349.6179177404.

The spelling of 42734738 in words is "forty-two million, seven hundred thirty-four thousand, seven hundred thirty-eight".