68449882 has 8 divisors (see below), whose sum is σ = 102778452. Its totient is φ = 34190400.

The previous prime is 68449879. The next prime is 68449883. The reversal of 68449882 is 28894486.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 370881 = 8251^2 + 609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68449883) 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, 14719 + ... + 18802.

Almost surely, 2^68449882 is an apocalyptic number.

68449882 is a deficient number, since it is larger than the sum of its proper divisors (34328570).

68449882 is a wasteful number, since it uses less digits than its factorization.

68449882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34544.

The product of its digits is 884736, while the sum is 49.

The square root of 68449882 is about 8273.4443855023. Note that the first 3 decimals coincide. The cubic root of 68449882 is about 409.0636613981.

The spelling of 68449882 in words is "sixty-eight million, four hundred forty-nine thousand, eight hundred eighty-two".