68669601 has 48 divisors (see below), whose sum is σ = 123678720. Its totient is φ = 32909760.

The previous prime is 68669561. The next prime is 68669663. The reversal of 68669601 is 10696686.

It is not a de Polignac number, because 68669601 - 2⁶ = 68669537 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68669201) 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 47 ways as a sum of consecutive naturals, for example, 38160 + ... + 39918.

It is an arithmetic number, because the mean of its divisors is an integer number (2576640).

Almost surely, 2^68669601 is an apocalyptic number.

It is an amenable number.

68669601 is a deficient number, since it is larger than the sum of its proper divisors (55009119).

68669601 is a wasteful number, since it uses less digits than its factorization.

68669601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 68669601 is about 8286.7123155085. The cubic root of 68669601 is about 409.5008818323.

The spelling of 68669601 in words is "sixty-eight million, six hundred sixty-nine thousand, six hundred one".