67422638 has 8 divisors (see below), whose sum is σ = 101576280. Its totient is φ = 33563880.

The previous prime is 67422611. The next prime is 67422653. The reversal of 67422638 is 83622476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×67422638² = 9091624229758088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73148 + ... + 74063.

It is an arithmetic number, because the mean of its divisors is an integer number (12697035).

Almost surely, 2^67422638 is an apocalyptic number.

67422638 is a deficient number, since it is larger than the sum of its proper divisors (34153642).

67422638 is a wasteful number, since it uses less digits than its factorization.

67422638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147442.

The product of its digits is 96768, while the sum is 38.

The square root of 67422638 is about 8211.1289114226. The cubic root of 67422638 is about 407.0070328216.

The spelling of 67422638 in words is "sixty-seven million, four hundred twenty-two thousand, six hundred thirty-eight".