68889601 has 16 divisors (see below), whose sum is σ = 76808448. Its totient is φ = 61261200.

The previous prime is 68889581. The next prime is 68889607. The reversal of 68889601 is 10698886.

It is not a de Polignac number, because 68889601 - 2⁹ = 68889089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68889607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155286 + ... + 155728.

It is an arithmetic number, because the mean of its divisors is an integer number (4800528).

Almost surely, 2^68889601 is an apocalyptic number.

It is an amenable number.

68889601 is a deficient number, since it is larger than the sum of its proper divisors (7918847).

68889601 is a wasteful number, since it uses less digits than its factorization.

68889601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 68889601 is about 8299.9759638206. The cubic root of 68889601 is about 409.9377280003.

The spelling of 68889601 in words is "sixty-eight million, eight hundred eighty-nine thousand, six hundred one".