67040027 has 4 divisors (see below), whose sum is σ = 70983576. Its totient is φ = 63096480.

The previous prime is 67040023. The next prime is 67040059. The reversal of 67040027 is 72004076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67040027 - 2² = 67040023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67039978 and 67040005.

It is not an unprimeable number, because it can be changed into a prime (67040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971749 + ... + 1971782.

It is an arithmetic number, because the mean of its divisors is an integer number (17745894).

Almost surely, 2^67040027 is an apocalyptic number.

67040027 is a deficient number, since it is larger than the sum of its proper divisors (3943549).

67040027 is a wasteful number, since it uses less digits than its factorization.

67040027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943548.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 67040027 is about 8187.7974449787. The cubic root of 67040027 is about 406.2356753292.

The spelling of 67040027 in words is "sixty-seven million, forty thousand, twenty-seven".