68695489 has 4 divisors (see below), whose sum is σ = 68773824. Its totient is φ = 68617156.

The previous prime is 68695447. The next prime is 68695493. The reversal of 68695489 is 98459686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68695489 - 2¹¹ = 68693441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68695439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37837 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (17193456).

Almost surely, 2^68695489 is an apocalyptic number.

It is an amenable number.

68695489 is a deficient number, since it is larger than the sum of its proper divisors (78335).

68695489 is an equidigital number, since it uses as much as digits as its factorization.

68695489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78334.

The product of its digits is 3732480, while the sum is 55.

The square root of 68695489 is about 8288.2741870669. The cubic root of 68695489 is about 409.5523351040.

The spelling of 68695489 in words is "sixty-eight million, six hundred ninety-five thousand, four hundred eighty-nine".