42536743 has 6 divisors (see below), whose sum is σ = 43954152. Its totient is φ = 41163660.

The previous prime is 42536671. The next prime is 42536773. The reversal of 42536743 is 34763524.

It is a de Polignac number, because none of the positive numbers 2^k-42536743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42536699 and 42536708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21171 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (7325692).

Almost surely, 2^42536743 is an apocalyptic number.

42536743 is a deficient number, since it is larger than the sum of its proper divisors (1417409).

42536743 is an equidigital number, since it uses as much as digits as its factorization.

42536743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44325 (or 44294 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 42536743 is about 6522.0198558422. The cubic root of 42536743 is about 349.0771415917.

The spelling of 42536743 in words is "forty-two million, five hundred thirty-six thousand, seven hundred forty-three".