67704782141 has 4 divisors (see below), whose sum is σ = 67733582784. Its totient is φ = 67675981500.

The previous prime is 67704782051. The next prime is 67704782147. The reversal of 67704782141 is 14128740776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67704782141 - 2³⁰ = 66631040317 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 (67704782147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14396795 + ... + 14401496.

It is an arithmetic number, because the mean of its divisors is an integer number (16933395696).

Almost surely, 2^67704782141 is an apocalyptic number.

It is an amenable number.

67704782141 is a deficient number, since it is larger than the sum of its proper divisors (28800643).

67704782141 is a wasteful number, since it uses less digits than its factorization.

67704782141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28800642.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 67704782141 in words is "sixty-seven billion, seven hundred four million, seven hundred eighty-two thousand, one hundred forty-one".