68744433 has 16 divisors (see below), whose sum is σ = 92696576. Its totient is φ = 45314640.

The previous prime is 68744399. The next prime is 68744437. The reversal of 68744433 is 33444786.

It is not a de Polignac number, because 68744433 - 2⁶ = 68744369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68744391 and 68744400.

It is not an unprimeable number, because it can be changed into a prime (68744437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140916 + ... + 141402.

It is an arithmetic number, because the mean of its divisors is an integer number (5793536).

Almost surely, 2^68744433 is an apocalyptic number.

It is an amenable number.

68744433 is a deficient number, since it is larger than the sum of its proper divisors (23952143).

68744433 is a wasteful number, since it uses less digits than its factorization.

68744433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its digits is 193536, while the sum is 39.

The square root of 68744433 is about 8291.2262663613. The cubic root of 68744433 is about 409.6495776406.

The spelling of 68744433 in words is "sixty-eight million, seven hundred forty-four thousand, four hundred thirty-three".