68200745637 has 8 divisors (see below), whose sum is σ = 90944366560. Its totient is φ = 45462144240.

The previous prime is 68200745629. The next prime is 68200745647. The reversal of 68200745637 is 73654700286.

68200745637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 68200745637 - 2³ = 68200745629 is a prime.

It is a super-3 number, since 3×68200745637³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68200745647) 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, 1223062 + ... + 1277607.

It is an arithmetic number, because the mean of its divisors is an integer number (11368045820).

Almost surely, 2^68200745637 is an apocalyptic number.

It is an amenable number.

68200745637 is a deficient number, since it is larger than the sum of its proper divisors (22743620923).

68200745637 is a wasteful number, since it uses less digits than its factorization.

68200745637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509763.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 68200745637 in words is "sixty-eight billion, two hundred million, seven hundred forty-five thousand, six hundred thirty-seven".