67845066 has 16 divisors (see below), whose sum is σ = 136668000. Its totient is φ = 22452048.

The previous prime is 67845059. The next prime is 67845073. The reversal of 67845066 is 66054876.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67845059) and next prime (67845073).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39841 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (8541750).

Almost surely, 2^67845066 is an apocalyptic number.

67845066 is an abundant number, since it is smaller than the sum of its proper divisors (68822934).

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

67845066 is a wasteful number, since it uses less digits than its factorization.

67845066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81493.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 67845066 is about 8236.8116404347. The cubic root of 67845066 is about 407.8552807574.

The spelling of 67845066 in words is "sixty-seven million, eight hundred forty-five thousand, sixty-six".