105974643 has 8 divisors (see below), whose sum is σ = 141395968. Its totient is φ = 70601544.

The previous prime is 105974621. The next prime is 105974653. The reversal of 105974643 is 346479501.

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

It is not a de Polignac number, because 105974643 - 2⁶ = 105974579 is a prime.

It is a super-2 number, since 2×105974643² = 22461249917954898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105974653) 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 7 ways as a sum of consecutive naturals, for example, 6571 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (17674496).

Almost surely, 2^105974643 is an apocalyptic number.

105974643 is a deficient number, since it is larger than the sum of its proper divisors (35421325).

105974643 is a wasteful number, since it uses less digits than its factorization.

105974643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 105974643 is about 10294.3986225520. The cubic root of 105974643 is about 473.2246086433.

The spelling of 105974643 in words is "one hundred five million, nine hundred seventy-four thousand, six hundred forty-three".