104689727 has 4 divisors (see below), whose sum is σ = 106917216. Its totient is φ = 102462240.

The previous prime is 104689693. The next prime is 104689729. The reversal of 104689727 is 727986401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727986401 = 661 ⋅1101341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104689727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104689729) 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, 1113674 + ... + 1113767.

It is an arithmetic number, because the mean of its divisors is an integer number (26729304).

Almost surely, 2^104689727 is an apocalyptic number.

104689727 is a deficient number, since it is larger than the sum of its proper divisors (2227489).

104689727 is an equidigital number, since it uses as much as digits as its factorization.

104689727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227488.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 104689727 is about 10231.7997928028. The cubic root of 104689727 is about 471.3042497005.

The spelling of 104689727 in words is "one hundred four million, six hundred eighty-nine thousand, seven hundred twenty-seven".