42904274 has 8 divisors (see below), whose sum is σ = 73550208. Its totient is φ = 18387540.

The previous prime is 42904271. The next prime is 42904297. The reversal of 42904274 is 47240924.

42904274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42904274.

It is not an unprimeable number, because it can be changed into a prime (42904271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532282 + ... + 1532309.

It is an arithmetic number, because the mean of its divisors is an integer number (9193776).

Almost surely, 2^42904274 is an apocalyptic number.

42904274 is a deficient number, since it is larger than the sum of its proper divisors (30645934).

42904274 is a wasteful number, since it uses less digits than its factorization.

42904274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064600.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42904274 is about 6550.1354184475. The cubic root of 42904274 is about 350.0796390204.

The spelling of 42904274 in words is "forty-two million, nine hundred four thousand, two hundred seventy-four".