68445722 has 8 divisors (see below), whose sum is σ = 103727316. Its totient is φ = 33869952.

The previous prime is 68445703. The next prime is 68445731. The reversal of 68445722 is 22754486.

It can be written as a sum of positive squares in 2 ways, for example, as 68244121 + 201601 = 8261^2 + 449^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176213 + ... + 176600.

Almost surely, 2^68445722 is an apocalyptic number.

68445722 is a deficient number, since it is larger than the sum of its proper divisors (35281594).

68445722 is a wasteful number, since it uses less digits than its factorization.

68445722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352912.

The product of its digits is 107520, while the sum is 38.

The square root of 68445722 is about 8273.1929749039. The cubic root of 68445722 is about 409.0553743650.

The spelling of 68445722 in words is "sixty-eight million, four hundred forty-five thousand, seven hundred twenty-two".