42680089 has 9 divisors (see below), whose sum is σ = 43923477. Its totient is φ = 41471484.

The previous prime is 42680041. The next prime is 42680093. The reversal of 42680089 is 98008624.

The square root of 42680089 is 6533.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 42680089 - 2⁹ = 42679577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42680009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 306982 + ... + 307120.

Almost surely, 2^42680089 is an apocalyptic number.

42680089 is the 6533-rd square number.

42680089 is the 3267-th centered octagonal number.

It is an amenable number.

42680089 is a deficient number, since it is larger than the sum of its proper divisors (1243388).

42680089 is an frugal number, since it uses more digits than its factorization.

42680089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The cubic root of 42680089 is about 349.4688242034.

The spelling of 42680089 in words is "forty-two million, six hundred eighty thousand, eighty-nine".