104743687 has 4 divisors (see below), whose sum is σ = 105760720. Its totient is φ = 103726656.

The previous prime is 104743619. The next prime is 104743721. The reversal of 104743687 is 786347401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104743687 - 2²³ = 96355079 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 (104743087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508362 + ... + 508567.

It is an arithmetic number, because the mean of its divisors is an integer number (26440180).

Almost surely, 2^104743687 is an apocalyptic number.

104743687 is a deficient number, since it is larger than the sum of its proper divisors (1017033).

104743687 is a wasteful number, since it uses less digits than its factorization.

104743687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017032.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 104743687 is about 10234.4363303506. The cubic root of 104743687 is about 471.3852102363.

It can be divided in two parts, 10474 and 3687, that added together give a square (14161 = 119²).

The spelling of 104743687 in words is "one hundred four million, seven hundred forty-three thousand, six hundred eighty-seven".