42276881 has 8 divisors (see below), whose sum is σ = 45342720. Its totient is φ = 39295152.

The previous prime is 42276833. The next prime is 42276907. The reversal of 42276881 is 18867224.

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 42276881 - 2¹⁸ = 42014737 is a prime.

It is a super-2 number, since 2×42276881² = 3574669334176322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42276811) 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, 19985 + ... + 21998.

It is an arithmetic number, because the mean of its divisors is an integer number (5667840).

Almost surely, 2^42276881 is an apocalyptic number.

It is an amenable number.

42276881 is a deficient number, since it is larger than the sum of its proper divisors (3065839).

42276881 is a wasteful number, since it uses less digits than its factorization.

42276881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42055.

The product of its digits is 43008, while the sum is 38.

The square root of 42276881 is about 6502.0674404377. The cubic root of 42276881 is about 348.3648379025.

The spelling of 42276881 in words is "forty-two million, two hundred seventy-six thousand, eight hundred eighty-one".