67785242349 has 48 divisors (see below), whose sum is σ = 107295523776. Its totient is φ = 37619942400.

The previous prime is 67785242311. The next prime is 67785242363. The reversal of 67785242349 is 94324258776.

It is not a de Polignac number, because 67785242349 - 2⁷ = 67785242221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67785242389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723879 + ... + 812139.

It is an arithmetic number, because the mean of its divisors is an integer number (2235323412).

Almost surely, 2^67785242349 is an apocalyptic number.

It is an amenable number.

67785242349 is a deficient number, since it is larger than the sum of its proper divisors (39510281427).

67785242349 is a wasteful number, since it uses less digits than its factorization.

67785242349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88366 (or 88329 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 57.

The spelling of 67785242349 in words is "sixty-seven billion, seven hundred eighty-five million, two hundred forty-two thousand, three hundred forty-nine".