67040674037 has 4 divisors (see below), whose sum is σ = 70984243116. Its totient is φ = 63097104960.

The previous prime is 67040674027. The next prime is 67040674039. The reversal of 67040674037 is 73047604076.

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 31984103281 + 35056570756 = 178841^2 + 187234^2 .

It is a cyclic number.

It is not a de Polignac number, because 67040674037 - 2⁸ = 67040673781 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 (67040674039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971784514 + ... + 1971784547.

It is an arithmetic number, because the mean of its divisors is an integer number (17746060779).

Almost surely, 2^67040674037 is an apocalyptic number.

It is an amenable number.

67040674037 is a deficient number, since it is larger than the sum of its proper divisors (3943569079).

67040674037 is a wasteful number, since it uses less digits than its factorization.

67040674037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943569078.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 67040674037 in words is "sixty-seven billion, forty million, six hundred seventy-four thousand, thirty-seven".