42190827 has 16 divisors (see below), whose sum is σ = 65198592. Its totient is φ = 23768640.

The previous prime is 42190769. The next prime is 42190847. The reversal of 42190827 is 72809124.

It is a happy number.

It is not a de Polignac number, because 42190827 - 2⁷ = 42190699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42190847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12658 + ... + 15639.

It is an arithmetic number, because the mean of its divisors is an integer number (4074912).

Almost surely, 2^42190827 is an apocalyptic number.

42190827 is a deficient number, since it is larger than the sum of its proper divisors (23007765).

42190827 is a wasteful number, since it uses less digits than its factorization.

42190827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28378.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 42190827 is about 6495.4466359135. The cubic root of 42190827 is about 348.1283134307.

The spelling of 42190827 in words is "forty-two million, one hundred ninety thousand, eight hundred twenty-seven".