68881446 has 24 divisors (see below), whose sum is σ = 150785544. Its totient is φ = 22723200.

The previous prime is 68881429. The next prime is 68881447. The reversal of 68881446 is 64418886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68881447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17980 + ... + 21471.

It is an arithmetic number, because the mean of its divisors is an integer number (6282731).

Almost surely, 2^68881446 is an apocalyptic number.

68881446 is an abundant number, since it is smaller than the sum of its proper divisors (81904098).

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

68881446 is a wasteful number, since it uses less digits than its factorization.

68881446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556 (or 39553 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 68881446 is about 8299.4846827981. The cubic root of 68881446 is about 409.9215515187.

The spelling of 68881446 in words is "sixty-eight million, eight hundred eighty-one thousand, four hundred forty-six".