67014971 has 4 divisors (see below), whose sum is σ = 67076832. Its totient is φ = 66953112.

The previous prime is 67014943. The next prime is 67014991. The reversal of 67014971 is 17941076.

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 67014971 - 2⁶ = 67014907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67014931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29276 + ... + 31481.

It is an arithmetic number, because the mean of its divisors is an integer number (16769208).

Almost surely, 2^67014971 is an apocalyptic number.

67014971 is a deficient number, since it is larger than the sum of its proper divisors (61861).

67014971 is a wasteful number, since it uses less digits than its factorization.

67014971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61860.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 67014971 is about 8186.2672201682. The cubic root of 67014971 is about 406.1850592526.

The spelling of 67014971 in words is "sixty-seven million, fourteen thousand, nine hundred seventy-one".