68671344 has 160 divisors (see below), whose sum is σ = 213875200. Its totient is φ = 18966528.

The previous prime is 68671331. The next prime is 68671349. The reversal of 68671344 is 44317686.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68671349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707904 + ... + 708000.

It is an arithmetic number, because the mean of its divisors is an integer number (1336720).

Almost surely, 2^68671344 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 68671344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106937600).

68671344 is an abundant number, since it is smaller than the sum of its proper divisors (145203856).

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

68671344 is a wasteful number, since it uses less digits than its factorization.

68671344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 152 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 68671344 is about 8286.8174832079. The cubic root of 68671344 is about 409.5043465095.

The spelling of 68671344 in words is "sixty-eight million, six hundred seventy-one thousand, three hundred forty-four".