68471172 has 144 divisors (see below), whose sum is σ = 228638592. Its totient is φ = 16727040.

The previous prime is 68471167. The next prime is 68471173. The reversal of 68471172 is 27117486.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (68471173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46398 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (1587768).

Almost surely, 2^68471172 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 68471172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114319296).

68471172 is an abundant number, since it is smaller than the sum of its proper divisors (160167420).

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

68471172 is a wasteful number, since it uses less digits than its factorization.

68471172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1493 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 68471172 is about 8274.7309321814. The cubic root of 68471172 is about 409.1060674249.

The spelling of 68471172 in words is "sixty-eight million, four hundred seventy-one thousand, one hundred seventy-two".