42534743 has 8 divisors (see below), whose sum is σ = 43095360. Its totient is φ = 41977440.

The previous prime is 42534683. The next prime is 42534757. The reversal of 42534743 is 34743524.

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

It is a cyclic number.

It is not a de Polignac number, because 42534743 - 2¹² = 42530647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534043) 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, 33938 + ... + 35168.

It is an arithmetic number, because the mean of its divisors is an integer number (5386920).

Almost surely, 2^42534743 is an apocalyptic number.

42534743 is a deficient number, since it is larger than the sum of its proper divisors (560617).

42534743 is a wasteful number, since it uses less digits than its factorization.

42534743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

The product of its digits is 40320, while the sum is 32.

The square root of 42534743 is about 6521.8665273064. The cubic root of 42534743 is about 349.0716705160.

The spelling of 42534743 in words is "forty-two million, five hundred thirty-four thousand, seven hundred forty-three".