42242794 has 24 divisors (see below), whose sum is σ = 70120260. Its totient is φ = 19071360.

The previous prime is 42242729. The next prime is 42242803. The reversal of 42242794 is 49724224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41409225 + 833569 = 6435^2 + 913^2 .

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 11 ways as a sum of consecutive naturals, for example, 41362 + ... + 42370.

Almost surely, 2^42242794 is an apocalyptic number.

42242794 is a deficient number, since it is larger than the sum of its proper divisors (27877466).

42242794 is a wasteful number, since it uses less digits than its factorization.

42242794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1195 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 42242794 is about 6499.4456686705. The cubic root of 42242794 is about 348.2711862043.

The spelling of 42242794 in words is "forty-two million, two hundred forty-two thousand, seven hundred ninety-four".