68392444 has 6 divisors (see below), whose sum is σ = 119686784. Its totient is φ = 34196220.

The previous prime is 68392439. The next prime is 68392451. The reversal of 68392444 is 44429386.

It is a junction number, because it is equal to n+sod(n) for n = 68392397 and 68392406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8549052 + ... + 8549059.

Almost surely, 2^68392444 is an apocalyptic number.

It is an amenable number.

68392444 is a deficient number, since it is larger than the sum of its proper divisors (51294340).

68392444 is a wasteful number, since it uses less digits than its factorization.

68392444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098115 (or 17098113 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 68392444 is about 8269.9724304256. The cubic root of 68392444 is about 408.9492108788.

The spelling of 68392444 in words is "sixty-eight million, three hundred ninety-two thousand, four hundred forty-four".