104688729 has 6 divisors (see below), whose sum is σ = 151217066. Its totient is φ = 69792480.

The previous prime is 104688721. The next prime is 104688733. The reversal of 104688729 is 927886401.

It can be written as a sum of positive squares in only one way, i.e., 103063104 + 1625625 = 10152^2 + 1275^2 .

It is not a de Polignac number, because 104688729 - 2³ = 104688721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104688721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5816032 + ... + 5816049.

Almost surely, 2^104688729 is an apocalyptic number.

It is an amenable number.

104688729 is a deficient number, since it is larger than the sum of its proper divisors (46528337).

104688729 is a wasteful number, since it uses less digits than its factorization.

104688729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632087 (or 11632084 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 104688729 is about 10231.7510231631. The cubic root of 104688729 is about 471.3027520587.

The spelling of 104688729 in words is "one hundred four million, six hundred eighty-eight thousand, seven hundred twenty-nine".