105906743 has 4 divisors (see below), whose sum is σ = 110511408. Its totient is φ = 101302080.

The previous prime is 105906739. The next prime is 105906767. The reversal of 105906743 is 347609501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347609501 = 223 ⋅1558787.

It is a cyclic number.

It is not a de Polignac number, because 105906743 - 2² = 105906739 is a prime.

It is a super-2 number, since 2×105906743² = 22432476425736098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105906733) 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, 2302298 + ... + 2302343.

It is an arithmetic number, because the mean of its divisors is an integer number (27627852).

Almost surely, 2^105906743 is an apocalyptic number.

105906743 is a deficient number, since it is larger than the sum of its proper divisors (4604665).

105906743 is an equidigital number, since it uses as much as digits as its factorization.

105906743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604664.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 105906743 is about 10291.1001841397. The cubic root of 105906743 is about 473.1235190022.

The spelling of 105906743 in words is "one hundred five million, nine hundred six thousand, seven hundred forty-three".