106728907 has 8 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 100370304.

The previous prime is 106728893. The next prime is 106728917. The reversal of 106728907 is 709827601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106728907 - 2⁷ = 106728779 is a prime.

It is a super-2 number, since 2×106728907² = 22782119178829298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106728907.

It is not an unprimeable number, because it can be changed into a prime (106728917) 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, 37894 + ... + 40612.

It is an arithmetic number, because the mean of its divisors is an integer number (14137200).

Almost surely, 2^106728907 is an apocalyptic number.

106728907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

106728907 is a deficient number, since it is larger than the sum of its proper divisors (6368693).

106728907 is a wasteful number, since it uses less digits than its factorization.

106728907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 106728907 is about 10330.9683476429. The cubic root of 106728907 is about 474.3446652569.

The spelling of 106728907 in words is "one hundred six million, seven hundred twenty-eight thousand, nine hundred seven".