67145982 has 8 divisors (see below), whose sum is σ = 134291976. Its totient is φ = 22381992.

The previous prime is 67145977. The next prime is 67145999. The reversal of 67145982 is 28954176.

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

67145982 is an admirable number.

It is a Smith number, since the sum of its digits (42) 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, 5595493 + ... + 5595504.

It is an arithmetic number, because the mean of its divisors is an integer number (16786497).

Almost surely, 2^67145982 is an apocalyptic number.

67145982 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.

67145982 is a wasteful number, since it uses less digits than its factorization.

67145982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191002.

The product of its digits is 120960, while the sum is 42.

The square root of 67145982 is about 8194.2651897531. The cubic root of 67145982 is about 406.4495776144.

The spelling of 67145982 in words is "sixty-seven million, one hundred forty-five thousand, nine hundred eighty-two".