42989067 has 24 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 25496880.

The previous prime is 42989059. The next prime is 42989071. The reversal of 42989067 is 76098924.

It is a happy number.

It is not a de Polignac number, because 42989067 - 2³ = 42989059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42989017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^42989067 is an apocalyptic number.

42989067 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42989067 is a deficient number, since it is larger than the sum of its proper divisors (26200053).

42989067 is a wasteful number, since it uses less digits than its factorization.

42989067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303 (or 9300 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 42989067 is about 6556.6048378715. The cubic root of 42989067 is about 350.3101115443.

The spelling of 42989067 in words is "forty-two million, nine hundred eighty-nine thousand, sixty-seven".