42716745 has 12 divisors (see below), whose sum is σ = 74042436. Its totient is φ = 22782240.

The previous prime is 42716689. The next prime is 42716789. The reversal of 42716745 is 54761724.

42716745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 21261321 = 4632^2 + 4611^2 .

It is not a de Polignac number, because 42716745 - 2¹¹ = 42714697 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 474586 + ... + 474675.

It is an arithmetic number, because the mean of its divisors is an integer number (6170203).

Almost surely, 2^42716745 is an apocalyptic number.

42716745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42716745 is a deficient number, since it is larger than the sum of its proper divisors (31325691).

42716745 is a wasteful number, since it uses less digits than its factorization.

42716745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949272 (or 949269 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 42716745 is about 6535.8048471477. The cubic root of 42716745 is about 349.5688432359.

The spelling of 42716745 in words is "forty-two million, seven hundred sixteen thousand, seven hundred forty-five".