68247697 has 12 divisors (see below), whose sum is σ = 78847680. Its totient is φ = 57867048.

The previous prime is 68247689. The next prime is 68247727. The reversal of 68247697 is 79674286.

It is not a de Polignac number, because 68247697 - 2³ = 68247689 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 68247697.

It is not an unprimeable number, because it can be changed into a prime (68247617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73804 + ... + 74722.

It is an arithmetic number, because the mean of its divisors is an integer number (6570640).

Almost surely, 2^68247697 is an apocalyptic number.

It is an amenable number.

68247697 is a deficient number, since it is larger than the sum of its proper divisors (10599983).

68247697 is an equidigital number, since it uses as much as digits as its factorization.

68247697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1029 counting only the distinct ones).

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

The square root of 68247697 is about 8261.2164358525. The cubic root of 68247697 is about 408.6605046173.

The spelling of 68247697 in words is "sixty-eight million, two hundred forty-seven thousand, six hundred ninety-seven".