68654739 has 8 divisors (see below), whose sum is σ = 94492672. Its totient is φ = 44293320.

The previous prime is 68654711. The next prime is 68654743. The reversal of 68654739 is 93745686.

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

It is not a de Polignac number, because 68654739 - 2⁹ = 68654227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68654779) 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 7 ways as a sum of consecutive naturals, for example, 369019 + ... + 369204.

It is an arithmetic number, because the mean of its divisors is an integer number (11811584).

Almost surely, 2^68654739 is an apocalyptic number.

68654739 is a deficient number, since it is larger than the sum of its proper divisors (25837933).

68654739 is a wasteful number, since it uses less digits than its factorization.

68654739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738257.

The product of its digits is 1088640, while the sum is 48.

The square root of 68654739 is about 8285.8155301696. The cubic root of 68654739 is about 409.4713372637.

The spelling of 68654739 in words is "sixty-eight million, six hundred fifty-four thousand, seven hundred thirty-nine".