67420086 has 8 divisors (see below), whose sum is σ = 134840184. Its totient is φ = 22473360.

The previous prime is 67420063. The next prime is 67420091. The reversal of 67420086 is 68002476.

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

67420086 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5618335 + ... + 5618346.

It is an arithmetic number, because the mean of its divisors is an integer number (16855023).

Almost surely, 2^67420086 is an apocalyptic number.

67420086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67420086 is a wasteful number, since it uses less digits than its factorization.

67420086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236686.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67420086 is about 8210.9735111009. The cubic root of 67420086 is about 407.0018975778.

The spelling of 67420086 in words is "sixty-seven million, four hundred twenty thousand, eighty-six".