42741673 has 4 divisors (see below), whose sum is σ = 46029508. Its totient is φ = 39453840.

The previous prime is 42741667. The next prime is 42741683. The reversal of 42741673 is 37614724.

42741673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 27594009 + 15147664 = 5253^2 + 3892^2 .

It is a cyclic number.

It is not a de Polignac number, because 42741673 - 2⁵ = 42741641 is a prime.

It is a super-2 number, since 2×42741673² = 3653701221677858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42741683) 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, 1643898 + ... + 1643923.

It is an arithmetic number, because the mean of its divisors is an integer number (11507377).

Almost surely, 2^42741673 is an apocalyptic number.

It is an amenable number.

42741673 is a deficient number, since it is larger than the sum of its proper divisors (3287835).

42741673 is a wasteful number, since it uses less digits than its factorization.

42741673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287834.

The product of its digits is 28224, while the sum is 34.

The square root of 42741673 is about 6537.7116026940. The cubic root of 42741673 is about 349.6368287343.

The spelling of 42741673 in words is "forty-two million, seven hundred forty-one thousand, six hundred seventy-three".