67376139 has 4 divisors (see below), whose sum is σ = 89834856. Its totient is φ = 44917424.

The previous prime is 67376123. The next prime is 67376143. The reversal of 67376139 is 93167376.

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 67376139 - 2⁴ = 67376123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67376139.

It is not an unprimeable number, because it can be changed into a prime (67376159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11229354 + ... + 11229359.

It is an arithmetic number, because the mean of its divisors is an integer number (22458714).

Almost surely, 2^67376139 is an apocalyptic number.

67376139 is a deficient number, since it is larger than the sum of its proper divisors (22458717).

67376139 is a wasteful number, since it uses less digits than its factorization.

67376139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458716.

The product of its digits is 142884, while the sum is 42.

The square root of 67376139 is about 8208.2969610023. The cubic root of 67376139 is about 406.9134452029.

The spelling of 67376139 in words is "sixty-seven million, three hundred seventy-six thousand, one hundred thirty-nine".