67736974923 has 16 divisors (see below), whose sum is σ = 100355882400. Its totient is φ = 45155819520.

The previous prime is 67736974909. The next prime is 67736974957. The reversal of 67736974923 is 32947963776.

It is not a de Polignac number, because 67736974923 - 2²⁹ = 67200104011 is a prime.

It is a super-3 number, since 3×67736974923³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (67736974223) 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 15 ways as a sum of consecutive naturals, for example, 679123 + ... + 772451.

It is an arithmetic number, because the mean of its divisors is an integer number (6272242650).

Almost surely, 2^67736974923 is an apocalyptic number.

67736974923 is a deficient number, since it is larger than the sum of its proper divisors (32618907477).

67736974923 is a wasteful number, since it uses less digits than its factorization.

67736974923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120219 (or 120213 counting only the distinct ones).

The product of its digits is 72013536, while the sum is 63.

The spelling of 67736974923 in words is "sixty-seven billion, seven hundred thirty-six million, nine hundred seventy-four thousand, nine hundred twenty-three".