68871960 has 96 divisors (see below), whose sum is σ = 235638000. Its totient is φ = 17397504.

The previous prime is 68871949. The next prime is 68871961. The reversal of 68871960 is 6917886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68871961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806 + ... + 11874.

Almost surely, 2^68871960 is an apocalyptic number.

68871960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68871960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117819000).

68871960 is an abundant number, since it is smaller than the sum of its proper divisors (166766040).

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

68871960 is a wasteful number, since it uses less digits than its factorization.

68871960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68871960 is about 8298.9131818570. The cubic root of 68871960 is about 409.9027332225.

The spelling of 68871960 in words is "sixty-eight million, eight hundred seventy-one thousand, nine hundred sixty".