68269747 has 12 divisors (see below), whose sum is σ = 84487440. Its totient is φ = 54014688.

The previous prime is 68269693. The next prime is 68269771. The reversal of 68269747 is 74796286.

It is not a de Polignac number, because 68269747 - 2²³ = 59881139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68269747.

It is not an unprimeable number, because it can be changed into a prime (68269447) 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 11 ways as a sum of consecutive naturals, for example, 27672 + ... + 30037.

It is an arithmetic number, because the mean of its divisors is an integer number (7040620).

Almost surely, 2^68269747 is an apocalyptic number.

68269747 is a deficient number, since it is larger than the sum of its proper divisors (16217693).

68269747 is a wasteful number, since it uses less digits than its factorization.

68269747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57742 (or 57729 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 68269747 is about 8262.5508773018. The cubic root of 68269747 is about 408.7045109562.

The spelling of 68269747 in words is "sixty-eight million, two hundred sixty-nine thousand, seven hundred forty-seven".