42747005 has 16 divisors (see below), whose sum is σ = 59502720. Its totient is φ = 28873152.

The previous prime is 42746971. The next prime is 42747037. The reversal of 42747005 is 50074724.

It is not a de Polignac number, because 42747005 - 2⁸ = 42746749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6770 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (3718920).

Almost surely, 2^42747005 is an apocalyptic number.

It is an amenable number.

42747005 is a deficient number, since it is larger than the sum of its proper divisors (16755715).

42747005 is a wasteful number, since it uses less digits than its factorization.

42747005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 42747005 is about 6538.1193779251. The cubic root of 42747005 is about 349.6513671299.

The spelling of 42747005 in words is "forty-two million, seven hundred forty-seven thousand, five".