42747573 has 16 divisors (see below), whose sum is σ = 62931456. Its totient is φ = 25593840.

The previous prime is 42747563. The next prime is 42747589. The reversal of 42747573 is 37574724.

It is not a de Polignac number, because 42747573 - 2⁴ = 42747557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42747533) 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, 5065 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (3933216).

Almost surely, 2^42747573 is an apocalyptic number.

It is an amenable number.

42747573 is a deficient number, since it is larger than the sum of its proper divisors (20183883).

42747573 is a wasteful number, since it uses less digits than its factorization.

42747573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15704.

The product of its digits is 164640, while the sum is 39.

The square root of 42747573 is about 6538.1628153481. The cubic root of 42747573 is about 349.6529157850.

The spelling of 42747573 in words is "forty-two million, seven hundred forty-seven thousand, five hundred seventy-three".