67873541237 has 4 divisors (see below), whose sum is σ = 67950583596. Its totient is φ = 67796498880.

The previous prime is 67873541161. The next prime is 67873541257. The reversal of 67873541237 is 73214537876.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27851938321 + 40021602916 = 166889^2 + 200054^2 .

It is a cyclic number.

It is not a de Polignac number, because 67873541237 - 2¹² = 67873537141 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 (67873541257) 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, 38519858 + ... + 38521619.

It is an arithmetic number, because the mean of its divisors is an integer number (16987645899).

Almost surely, 2^67873541237 is an apocalyptic number.

It is an amenable number.

67873541237 is a deficient number, since it is larger than the sum of its proper divisors (77042359).

67873541237 is an equidigital number, since it uses as much as digits as its factorization.

67873541237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77042358.

The product of its digits is 5927040, while the sum is 53.

The spelling of 67873541237 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred forty-one thousand, two hundred thirty-seven".