67714147 has 4 divisors (see below), whose sum is σ = 67862776. Its totient is φ = 67565520.

The previous prime is 67714133. The next prime is 67714177. The reversal of 67714147 is 74141776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67714147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67714117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73629 + ... + 74542.

It is an arithmetic number, because the mean of its divisors is an integer number (16965694).

Almost surely, 2^67714147 is an apocalyptic number.

67714147 is a deficient number, since it is larger than the sum of its proper divisors (148629).

67714147 is a wasteful number, since it uses less digits than its factorization.

67714147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148628.

The product of its digits is 32928, while the sum is 37.

The square root of 67714147 is about 8228.8606137180. The cubic root of 67714147 is about 407.5927689729.

The spelling of 67714147 in words is "sixty-seven million, seven hundred fourteen thousand, one hundred forty-seven".