68477443 has 8 divisors (see below), whose sum is σ = 69138720. Its totient is φ = 67819200.

The previous prime is 68477413. The next prime is 68477459. The reversal of 68477443 is 34477486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68477443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68477443.

It is not an unprimeable number, because it can be changed into a prime (68477413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85521 + ... + 86317.

It is an arithmetic number, because the mean of its divisors is an integer number (8642340).

Almost surely, 2^68477443 is an apocalyptic number.

68477443 is a deficient number, since it is larger than the sum of its proper divisors (661277).

68477443 is a wasteful number, since it uses less digits than its factorization.

68477443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 451584, while the sum is 43.

The square root of 68477443 is about 8275.1098482135. The cubic root of 68477443 is about 409.1185565048.

Adding to 68477443 its sum of digits (43), we get a palindrome (68477486).

The spelling of 68477443 in words is "sixty-eight million, four hundred seventy-seven thousand, four hundred forty-three".