106682729 has 4 divisors (see below), whose sum is σ = 109566084. Its totient is φ = 103799376.

The previous prime is 106682713. The next prime is 106682743. The reversal of 106682729 is 927286601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42250000 + 64432729 = 6500^2 + 8027^2 .

It is a cyclic number.

It is not a de Polignac number, because 106682729 - 2⁴ = 106682713 is a prime.

It is a super-2 number, since 2×106682729² = 22762409333774882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106682759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441622 + ... + 1441695.

It is an arithmetic number, because the mean of its divisors is an integer number (27391521).

Almost surely, 2^106682729 is an apocalyptic number.

It is an amenable number.

106682729 is a deficient number, since it is larger than the sum of its proper divisors (2883355).

106682729 is an equidigital number, since it uses as much as digits as its factorization.

106682729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883354.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 106682729 is about 10328.7331749833. The cubic root of 106682729 is about 474.2762444063.

The spelling of 106682729 in words is "one hundred six million, six hundred eighty-two thousand, seven hundred twenty-nine".