67401939273 has 8 divisors (see below), whose sum is σ = 89941908288. Its totient is φ = 44898298224.

The previous prime is 67401939257. The next prime is 67401939343. The reversal of 67401939273 is 37293910476.

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

It is not a de Polignac number, because 67401939273 - 2⁴ = 67401939257 is a prime.

It is a super-2 number, since 2×67401939273² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67401939223) 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 7 ways as a sum of consecutive naturals, for example, 9077661 + ... + 9085082.

It is an arithmetic number, because the mean of its divisors is an integer number (11242738536).

Almost surely, 2^67401939273 is an apocalyptic number.

It is an amenable number.

67401939273 is a deficient number, since it is larger than the sum of its proper divisors (22539969015).

67401939273 is a wasteful number, since it uses less digits than its factorization.

67401939273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163983.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 67401939273 in words is "sixty-seven billion, four hundred one million, nine hundred thirty-nine thousand, two hundred seventy-three".