42667419 has 12 divisors (see below), whose sum is σ = 57353784. Its totient is φ = 28214784.

The previous prime is 42667403. The next prime is 42667421. The reversal of 42667419 is 91476624.

It is a happy number.

42667419 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 42667419 - 2⁴ = 42667403 is a prime.

It is a super-2 number, since 2×42667419² = 3641017288243122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42667489) 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, 73659 + ... + 74235.

It is an arithmetic number, because the mean of its divisors is an integer number (4779482).

Almost surely, 2^42667419 is an apocalyptic number.

42667419 is a deficient number, since it is larger than the sum of its proper divisors (14686365).

42667419 is an equidigital number, since it uses as much as digits as its factorization.

42667419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 737 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 42667419 is about 6532.0302356924. The cubic root of 42667419 is about 349.4342397065.

The spelling of 42667419 in words is "forty-two million, six hundred sixty-seven thousand, four hundred nineteen".