68371472 has 20 divisors (see below), whose sum is σ = 142660140. Its totient is φ = 31555968.

The previous prime is 68371469. The next prime is 68371487. The reversal of 68371472 is 27417386.

It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 42198016 = 5116^2 + 6496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164147 + ... + 164562.

It is an arithmetic number, because the mean of its divisors is an integer number (7133007).

Almost surely, 2^68371472 is an apocalyptic number.

It is an amenable number.

68371472 is an abundant number, since it is smaller than the sum of its proper divisors (74288668).

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

68371472 is a wasteful number, since it uses less digits than its factorization.

68371472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328730 (or 328724 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 68371472 is about 8268.7043725121. The cubic root of 68371472 is about 408.9074062625.

The spelling of 68371472 in words is "sixty-eight million, three hundred seventy-one thousand, four hundred seventy-two".