42084755 has 4 divisors (see below), whose sum is σ = 50501712. Its totient is φ = 33667800.

The previous prime is 42084739. The next prime is 42084761. The reversal of 42084755 is 55748024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42084755 - 2⁴ = 42084739 is a prime.

It is a super-2 number, since 2×42084755² = 3542253206820050, which contains 22 as substring.

It is a Duffinian number.

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, 4208471 + ... + 4208480.

It is an arithmetic number, because the mean of its divisors is an integer number (12625428).

Almost surely, 2^42084755 is an apocalyptic number.

42084755 is a deficient number, since it is larger than the sum of its proper divisors (8416957).

42084755 is an equidigital number, since it uses as much as digits as its factorization.

42084755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416956.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 42084755 is about 6487.2763930636. The cubic root of 42084755 is about 347.8363253519.

The spelling of 42084755 in words is "forty-two million, eighty-four thousand, seven hundred fifty-five".