42734782 has 16 divisors (see below), whose sum is σ = 67047552. Its totient is φ = 20390040.

The previous prime is 42734779. The next prime is 42734789. The reversal of 42734782 is 28743724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42734789) 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, 25453 + ... + 27079.

It is an arithmetic number, because the mean of its divisors is an integer number (4190472).

Almost surely, 2^42734782 is an apocalyptic number.

42734782 is a deficient number, since it is larger than the sum of its proper divisors (24312770).

42734782 is a wasteful number, since it uses less digits than its factorization.

42734782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223.

The product of its digits is 75264, while the sum is 37.

The square root of 42734782 is about 6537.1845621797. The cubic root of 42734782 is about 349.6180377300.

The spelling of 42734782 in words is "forty-two million, seven hundred thirty-four thousand, seven hundred eighty-two".