42732771 has 8 divisors (see below), whose sum is σ = 57019584. Its totient is φ = 28467240.

The previous prime is 42732737. The next prime is 42732773. The reversal of 42732771 is 17723724.

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

It is not a de Polignac number, because 42732771 - 2⁶ = 42732707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42732773) by changing a digit.

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, 180 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (7127448).

Almost surely, 2^42732771 is an apocalyptic number.

42732771 is a deficient number, since it is larger than the sum of its proper divisors (14286813).

42732771 is a wasteful number, since it uses less digits than its factorization.

42732771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641.

The product of its digits is 16464, while the sum is 33.

The square root of 42732771 is about 6537.0307479772. The cubic root of 42732771 is about 349.6125535719.

The spelling of 42732771 in words is "forty-two million, seven hundred thirty-two thousand, seven hundred seventy-one".