68569772 has 12 divisors (see below), whose sum is σ = 127055880. Its totient is φ = 32268096.

The previous prime is 68569771. The next prime is 68569793. The reversal of 68569772 is 27796586.

It is a self number, because there is not a number n which added to its sum of digits gives 68569772.

It is not an unprimeable number, because it can be changed into a prime (68569771) 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 3 ways as a sum of consecutive naturals, for example, 504122 + ... + 504257.

It is an arithmetic number, because the mean of its divisors is an integer number (10587990).

Almost surely, 2^68569772 is an apocalyptic number.

It is an amenable number.

68569772 is a deficient number, since it is larger than the sum of its proper divisors (58486108).

68569772 is a wasteful number, since it uses less digits than its factorization.

68569772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008400 (or 1008398 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 68569772 is about 8280.6866865013. The cubic root of 68569772 is about 409.3023471636.

The spelling of 68569772 in words is "sixty-eight million, five hundred sixty-nine thousand, seven hundred seventy-two".