42576861 has 16 divisors (see below), whose sum is σ = 58086720. Its totient is φ = 27730560.

The previous prime is 42576851. The next prime is 42576881. The reversal of 42576861 is 16867524.

It is not a de Polignac number, because 42576861 - 2⁵ = 42576829 is a prime.

It is a super-2 number, since 2×42576861² = 3625578185226642, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42576851) 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, 52225 + ... + 53033.

It is an arithmetic number, because the mean of its divisors is an integer number (3630420).

Almost surely, 2^42576861 is an apocalyptic number.

It is an amenable number.

42576861 is a deficient number, since it is larger than the sum of its proper divisors (15509859).

42576861 is a wasteful number, since it uses less digits than its factorization.

42576861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 80640, while the sum is 39.

The square root of 42576861 is about 6525.0947119563. The cubic root of 42576861 is about 349.1868496968.

The spelling of 42576861 in words is "forty-two million, five hundred seventy-six thousand, eight hundred sixty-one".