68576445 has 48 divisors (see below), whose sum is σ = 140549760. Its totient is φ = 30264192.

The previous prime is 68576441. The next prime is 68576447. The reversal of 68576445 is 54467586.

It is not a de Polignac number, because 68576445 - 2² = 68576441 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68576445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68576441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5382 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (2928120).

Almost surely, 2^68576445 is an apocalyptic number.

It is an amenable number.

68576445 is an abundant number, since it is smaller than the sum of its proper divisors (71973315).

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

68576445 is a wasteful number, since it uses less digits than its factorization.

68576445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 7551 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 68576445 is about 8281.0896022202. The cubic root of 68576445 is about 409.3156240828.

The spelling of 68576445 in words is "sixty-eight million, five hundred seventy-six thousand, four hundred forty-five".