104065731 has 48 divisors (see below), whose sum is σ = 195586560. Its totient is φ = 51701760.

The previous prime is 104065699. The next prime is 104065733. The reversal of 104065731 is 137560401.

104065731 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 657 + 3 + 1 = 666.

It is not a de Polignac number, because 104065731 - 2⁵ = 104065699 is a prime.

It is a super-2 number, since 2×104065731² = 21659352737128722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104065695 and 104065704.

It is not an unprimeable number, because it can be changed into a prime (104065733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12675 + ... + 19203.

It is an arithmetic number, because the mean of its divisors is an integer number (4074720).

Almost surely, 2^104065731 is an apocalyptic number.

104065731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104065731 is a deficient number, since it is larger than the sum of its proper divisors (91520829).

104065731 is a wasteful number, since it uses less digits than its factorization.

104065731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 104065731 is about 10201.2612455519. The cubic root of 104065731 is about 470.3659907689.

The spelling of 104065731 in words is "one hundred four million, sixty-five thousand, seven hundred thirty-one".