42532743 has 8 divisors (see below), whose sum is σ = 61865856. Its totient is φ = 25777400.

The previous prime is 42532741. The next prime is 42532751. The reversal of 42532743 is 34723524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42532743 - 2¹ = 42532741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42532743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644403 + ... + 644468.

It is an arithmetic number, because the mean of its divisors is an integer number (7733232).

Almost surely, 2^42532743 is an apocalyptic number.

42532743 is a deficient number, since it is larger than the sum of its proper divisors (19333113).

42532743 is a wasteful number, since it uses less digits than its factorization.

42532743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288885.

The product of its digits is 20160, while the sum is 30.

The square root of 42532743 is about 6521.7131951658. The cubic root of 42532743 is about 349.0661992687.

It can be divided in two parts, 4253 and 2743, that added together give a palindrome (6996).

The spelling of 42532743 in words is "forty-two million, five hundred thirty-two thousand, seven hundred forty-three".