42774834 has 16 divisors (see below), whose sum is σ = 85615200. Its totient is φ = 14247360.

The previous prime is 42774821. The next prime is 42774857. The reversal of 42774834 is 43847724.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42774792 and 42774801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11317 + ... + 14615.

It is an arithmetic number, because the mean of its divisors is an integer number (5350950).

Almost surely, 2^42774834 is an apocalyptic number.

42774834 is an abundant number, since it is smaller than the sum of its proper divisors (42840366).

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

42774834 is a wasteful number, since it uses less digits than its factorization.

42774834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465.

The product of its digits is 150528, while the sum is 39.

The square root of 42774834 is about 6540.2472430329. The cubic root of 42774834 is about 349.7272269249.

The spelling of 42774834 in words is "forty-two million, seven hundred seventy-four thousand, eight hundred thirty-four".