42772136 has 32 divisors (see below), whose sum is σ = 92638080. Its totient is φ = 18297600.

The previous prime is 42772123. The next prime is 42772159. The reversal of 42772136 is 63127724.

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, 12800 + ... + 15791.

It is an arithmetic number, because the mean of its divisors is an integer number (2894940).

Almost surely, 2^42772136 is an apocalyptic number.

It is an amenable number.

42772136 is an abundant number, since it is smaller than the sum of its proper divisors (49865944).

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

42772136 is a wasteful number, since it uses less digits than its factorization.

42772136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28625 (or 28621 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 42772136 is about 6540.0409784649. The cubic root of 42772136 is about 349.7198738171.

The spelling of 42772136 in words is "forty-two million, seven hundred seventy-two thousand, one hundred thirty-six".