42538794 has 32 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 13212672.

The previous prime is 42538759. The next prime is 42538817. The reversal of 42538794 is 49783524.

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 15 ways as a sum of consecutive naturals, for example, 8482 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 2^42538794 is an apocalyptic number.

42538794 is an abundant number, since it is smaller than the sum of its proper divisors (48440406).

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

42538794 is a wasteful number, since it uses less digits than its factorization.

42538794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174.

The product of its digits is 241920, while the sum is 42.

The square root of 42538794 is about 6522.1770905120. The cubic root of 42538794 is about 349.0827520017.

The spelling of 42538794 in words is "forty-two million, five hundred thirty-eight thousand, seven hundred ninety-four".