67673047 has 4 divisors (see below), whose sum is σ = 72878680. Its totient is φ = 62467416.

The previous prime is 67673027. The next prime is 67673063. The reversal of 67673047 is 74037676.

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-67673047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67673027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2602797 + ... + 2602822.

It is an arithmetic number, because the mean of its divisors is an integer number (18219670).

Almost surely, 2^67673047 is an apocalyptic number.

67673047 is a deficient number, since it is larger than the sum of its proper divisors (5205633).

67673047 is a wasteful number, since it uses less digits than its factorization.

67673047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205632.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 67673047 is about 8226.3629265916. The cubic root of 67673047 is about 407.5102876698.

The spelling of 67673047 in words is "sixty-seven million, six hundred seventy-three thousand, forty-seven".