68517674524 has 24 divisors (see below), whose sum is σ = 135925753040. Its totient is φ = 29959144704.

The previous prime is 68517674501. The next prime is 68517674527. The reversal of 68517674524 is 42547671586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68517674527) 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, 34673949 + ... + 34675924.

Almost surely, 2^68517674524 is an apocalyptic number.

It is an amenable number.

68517674524 is a deficient number, since it is larger than the sum of its proper divisors (67408078516).

68517674524 is a wasteful number, since it uses less digits than its factorization.

68517674524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69349909 (or 69349907 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The spelling of 68517674524 in words is "sixty-eight billion, five hundred seventeen million, six hundred seventy-four thousand, five hundred twenty-four".