42753881 has 8 divisors (see below), whose sum is σ = 44089920. Its totient is φ = 41437552.

The previous prime is 42753877. The next prime is 42753899. The reversal of 42753881 is 18835724.

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

It is a cyclic number.

It is not a de Polignac number, because 42753881 - 2² = 42753877 is a prime.

It is a super-2 number, since 2×42753881² = 3655788681124322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42753871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (5511240).

Almost surely, 2^42753881 is an apocalyptic number.

It is an amenable number.

42753881 is a deficient number, since it is larger than the sum of its proper divisors (1336039).

42753881 is an equidigital number, since it uses as much as digits as its factorization.

42753881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9855.

The product of its digits is 53760, while the sum is 38.

The square root of 42753881 is about 6538.6451960632. The cubic root of 42753881 is about 349.6701136589.

It can be divided in two parts, 42753 and 881, that added together give a palindrome (43634).

The spelling of 42753881 in words is "forty-two million, seven hundred fifty-three thousand, eight hundred eighty-one".