68871036 has 48 divisors (see below), whose sum is σ = 177102464. Its totient is φ = 20696256.

The previous prime is 68871031. The next prime is 68871059. The reversal of 68871036 is 63017886.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 68870985 and 68871003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68871031) 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, 1575 + ... + 11841.

Almost surely, 2^68871036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68871036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88551232).

68871036 is an abundant number, since it is smaller than the sum of its proper divisors (108231428).

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

68871036 is a wasteful number, since it uses less digits than its factorization.

68871036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 68871036 is about 8298.8575117302. The cubic root of 68871036 is about 409.9009001019.

The spelling of 68871036 in words is "sixty-eight million, eight hundred seventy-one thousand, thirty-six".