67997924373 has 8 divisors (see below), whose sum is σ = 90775695136. Its totient is φ = 45276051600.

The previous prime is 67997924353. The next prime is 67997924437. The reversal of 67997924373 is 37342979976.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67997924373 - 2²² = 67993730069 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 (67997924303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13971658 + ... + 13976523.

It is an arithmetic number, because the mean of its divisors is an integer number (11346961892).

Almost surely, 2^67997924373 is an apocalyptic number.

It is an amenable number.

67997924373 is a deficient number, since it is larger than the sum of its proper divisors (22777770763).

67997924373 is a wasteful number, since it uses less digits than its factorization.

67997924373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27948995.

The product of its digits is 108020304, while the sum is 66.

The spelling of 67997924373 in words is "sixty-seven billion, nine hundred ninety-seven million, nine hundred twenty-four thousand, three hundred seventy-three".