68573727 has 12 divisors (see below), whose sum is σ = 99155784. Its totient is φ = 45667440.

The previous prime is 68573723. The next prime is 68573731. The reversal of 68573727 is 72737586.

68573727 is a `hidden beast` number, since 6 + 8 + 573 + 72 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (68573723) and next prime (68573731).

It is not a de Polignac number, because 68573727 - 2² = 68573723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68573723) 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, 6352 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (8262982).

Almost surely, 2^68573727 is an apocalyptic number.

68573727 is a deficient number, since it is larger than the sum of its proper divisors (30582057).

68573727 is a wasteful number, since it uses less digits than its factorization.

68573727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070 (or 8067 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 68573727 is about 8280.9254917551. The cubic root of 68573727 is about 409.3102163243.

The spelling of 68573727 in words is "sixty-eight million, five hundred seventy-three thousand, seven hundred twenty-seven".