42741663 has 16 divisors (see below), whose sum is σ = 58186752. Its totient is φ = 27900000.

The previous prime is 42741641. The next prime is 42741667. The reversal of 42741663 is 36614724.

It is a happy number.

It is not a de Polignac number, because 42741663 - 2⁵ = 42741631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42741667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56538 + ... + 57288.

It is an arithmetic number, because the mean of its divisors is an integer number (3636672).

Almost surely, 2^42741663 is an apocalyptic number.

42741663 is a deficient number, since it is larger than the sum of its proper divisors (15445089).

42741663 is a wasteful number, since it uses less digits than its factorization.

42741663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 24192, while the sum is 33.

The square root of 42741663 is about 6537.7108379004. The cubic root of 42741663 is about 349.6368014669.

The spelling of 42741663 in words is "forty-two million, seven hundred forty-one thousand, six hundred sixty-three".