68071619420 has 48 divisors (see below), whose sum is σ = 164085378240. Its totient is φ = 23236913664.

The previous prime is 68071619417. The next prime is 68071619423. The reversal of 68071619420 is 2491617086.

It is an interprime number because it is at equal distance from previous prime (68071619417) and next prime (68071619423).

It is a super-2 number, since 2×68071619420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68071619423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029569 + ... + 1093688.

It is an arithmetic number, because the mean of its divisors is an integer number (3418445380).

Almost surely, 2^68071619420 is an apocalyptic number.

It is an amenable number.

68071619420 is an abundant number, since it is smaller than the sum of its proper divisors (96013758820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68071619420 is a wasteful number, since it uses less digits than its factorization.

68071619420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123502 (or 2123500 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 68071619420 in words is "sixty-eight billion, seventy-one million, six hundred nineteen thousand, four hundred twenty".