68890606 has 16 divisors (see below), whose sum is σ = 105185664. Its totient is φ = 33831864.

The previous prime is 68890603. The next prime is 68890621. The reversal of 68890606 is 60609886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68890603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69591 + ... + 70573.

It is an arithmetic number, because the mean of its divisors is an integer number (6574104).

Almost surely, 2^68890606 is an apocalyptic number.

68890606 is a deficient number, since it is larger than the sum of its proper divisors (36295058).

68890606 is a wasteful number, since it uses less digits than its factorization.

68890606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 68890606 is about 8300.0365059438. The cubic root of 68890606 is about 409.9397214575.

It can be divided in two parts, 68890 and 606, that added together give a palindrome (69496).

The spelling of 68890606 in words is "sixty-eight million, eight hundred ninety thousand, six hundred six".