68545446 has 8 divisors (see below), whose sum is σ = 137090904. Its totient is φ = 22848480.

The previous prime is 68545441. The next prime is 68545457. The reversal of 68545446 is 64454586.

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

68545446 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68545398 and 68545407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68545441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5712115 + ... + 5712126.

It is an arithmetic number, because the mean of its divisors is an integer number (17136363).

Almost surely, 2^68545446 is an apocalyptic number.

68545446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68545446 is a wasteful number, since it uses less digits than its factorization.

68545446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424246.

The product of its digits is 460800, while the sum is 42.

The square root of 68545446 is about 8279.2177166686. The cubic root of 68545446 is about 409.2539396984.

The spelling of 68545446 in words is "sixty-eight million, five hundred forty-five thousand, four hundred forty-six".