42735842 has 8 divisors (see below), whose sum is σ = 64824300. Its totient is φ = 21127744.

The previous prime is 42735839. The next prime is 42735877. The reversal of 42735842 is 24853724.

It can be written as a sum of positive squares in 2 ways, for example, as 36590401 + 6145441 = 6049^2 + 2479^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119867 + ... + 120222.

Almost surely, 2^42735842 is an apocalyptic number.

42735842 is a deficient number, since it is larger than the sum of its proper divisors (22088458).

42735842 is a wasteful number, since it uses less digits than its factorization.

42735842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240180.

The product of its digits is 53760, while the sum is 35.

The square root of 42735842 is about 6537.2656363345. The cubic root of 42735842 is about 349.6209283657.

It can be divided in two parts, 427358 and 42, that multiplied together give a triangular number (17949036 = T₅₉₉₁).

The spelling of 42735842 in words is "forty-two million, seven hundred thirty-five thousand, eight hundred forty-two".