68733445 has 24 divisors (see below), whose sum is σ = 91623168. Its totient is φ = 49457760.

The previous prime is 68733433. The next prime is 68733487. The reversal of 68733445 is 54433786.

It is not a de Polignac number, because 68733445 - 2²¹ = 66636293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68733398 and 68733407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61764 + ... + 62866.

It is an arithmetic number, because the mean of its divisors is an integer number (3817632).

Almost surely, 2^68733445 is an apocalyptic number.

It is an amenable number.

68733445 is a deficient number, since it is larger than the sum of its proper divisors (22889723).

68733445 is a wasteful number, since it uses less digits than its factorization.

68733445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1222 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 68733445 is about 8290.5636117215. The cubic root of 68733445 is about 409.6277505670.

The spelling of 68733445 in words is "sixty-eight million, seven hundred thirty-three thousand, four hundred forty-five".