68045944 has 16 divisors (see below), whose sum is σ = 127723320. Its totient is φ = 33986400.

The previous prime is 68045941. The next prime is 68045953. The reversal of 68045944 is 44954086.

It is a super-2 number, since 2×68045944² = 9260500989702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68045897 and 68045906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68045941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362 + ... + 12454.

Almost surely, 2^68045944 is an apocalyptic number.

It is an amenable number.

68045944 is a deficient number, since it is larger than the sum of its proper divisors (59677376).

68045944 is a wasteful number, since it uses less digits than its factorization.

68045944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 68045944 is about 8248.9965450350. The cubic root of 68045944 is about 408.2574147720.

The spelling of 68045944 in words is "sixty-eight million, forty-five thousand, nine hundred forty-four".