42670899 has 12 divisors (see below), whose sum is σ = 61698000. Its totient is φ = 28418544.

The previous prime is 42670897. The next prime is 42670907. The reversal of 42670899 is 99807624.

It is a happy number.

42670899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42670899 - 2¹ = 42670897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42670891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10897 + ... + 14285.

It is an arithmetic number, because the mean of its divisors is an integer number (5141500).

Almost surely, 2^42670899 is an apocalyptic number.

42670899 is a deficient number, since it is larger than the sum of its proper divisors (19027101).

42670899 is a wasteful number, since it uses less digits than its factorization.

42670899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794 (or 4791 counting only the distinct ones).

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

The square root of 42670899 is about 6532.2966099221. The cubic root of 42670899 is about 349.4437395241.

The spelling of 42670899 in words is "forty-two million, six hundred seventy thousand, eight hundred ninety-nine".