68434737 has 8 divisors (see below), whose sum is σ = 104281536. Its totient is φ = 39105552.

The previous prime is 68434703. The next prime is 68434747. The reversal of 68434737 is 73743486.

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

It is not a de Polignac number, because 68434737 - 2⁷ = 68434609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68434747) 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 7 ways as a sum of consecutive naturals, for example, 1629378 + ... + 1629419.

It is an arithmetic number, because the mean of its divisors is an integer number (13035192).

Almost surely, 2^68434737 is an apocalyptic number.

It is an amenable number.

68434737 is a deficient number, since it is larger than the sum of its proper divisors (35846799).

68434737 is a wasteful number, since it uses less digits than its factorization.

68434737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258807.

The product of its digits is 338688, while the sum is 42.

The square root of 68434737 is about 8272.5290570659. The cubic root of 68434737 is about 409.0334898042.

The spelling of 68434737 in words is "sixty-eight million, four hundred thirty-four thousand, seven hundred thirty-seven".