42047535 has 16 divisors (see below), whose sum is σ = 69596640. Its totient is φ = 21651840.

The previous prime is 42047531. The next prime is 42047539. The reversal of 42047535 is 53574024.

It is an interprime number because it is at equal distance from previous prime (42047531) and next prime (42047539).

It is not a de Polignac number, because 42047535 - 2² = 42047531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42047531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47896 + ... + 48765.

It is an arithmetic number, because the mean of its divisors is an integer number (4349790).

Almost surely, 2^42047535 is an apocalyptic number.

42047535 is a deficient number, since it is larger than the sum of its proper divisors (27549105).

42047535 is a wasteful number, since it uses less digits than its factorization.

42047535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96698.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 42047535 is about 6484.4070661858. The cubic root of 42047535 is about 347.7337522899.

The spelling of 42047535 in words is "forty-two million, forty-seven thousand, five hundred thirty-five".