104162729 has 8 divisors (see below), whose sum is σ = 114572640. Its totient is φ = 94692180.

The previous prime is 104162719. The next prime is 104162761. The reversal of 104162729 is 927261401.

It is a happy number.

It is not a de Polignac number, because 104162729 - 2¹⁶ = 104097193 is a prime.

It is a super-2 number, since 2×104162729² = 21699748225454882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104162695 and 104162704.

It is not an unprimeable number, because it can be changed into a prime (104162719) 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, 37799 + ... + 40460.

It is an arithmetic number, because the mean of its divisors is an integer number (14321580).

Almost surely, 2^104162729 is an apocalyptic number.

It is an amenable number.

104162729 is a deficient number, since it is larger than the sum of its proper divisors (10409911).

104162729 is an frugal number, since it uses more digits than its factorization.

104162729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78292 (or 78270 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 104162729 is about 10206.0143542913. The cubic root of 104162729 is about 470.5120855879.

The spelling of 104162729 in words is "one hundred four million, one hundred sixty-two thousand, seven hundred twenty-nine".