107742443 has 4 divisors (see below), whose sum is σ = 108300888. Its totient is φ = 107184000.

The previous prime is 107742433. The next prime is 107742451. The reversal of 107742443 is 344247701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107742443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107742403) 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 3 ways as a sum of consecutive naturals, for example, 278933 + ... + 279318.

It is an arithmetic number, because the mean of its divisors is an integer number (27075222).

Almost surely, 2^107742443 is an apocalyptic number.

107742443 is a deficient number, since it is larger than the sum of its proper divisors (558445).

107742443 is an equidigital number, since it uses as much as digits as its factorization.

107742443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558444.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 107742443 is about 10379.9057317492. The cubic root of 107742443 is about 475.8414529166.

The spelling of 107742443 in words is "one hundred seven million, seven hundred forty-two thousand, four hundred forty-three".