42756755 has 4 divisors (see below), whose sum is σ = 51308112. Its totient is φ = 34205400.

The previous prime is 42756737. The next prime is 42756797. The reversal of 42756755 is 55765724.

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

It is not a de Polignac number, because 42756755 - 2⁶ = 42756691 is a prime.

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, 4275671 + ... + 4275680.

It is an arithmetic number, because the mean of its divisors is an integer number (12827028).

Almost surely, 2^42756755 is an apocalyptic number.

42756755 is a deficient number, since it is larger than the sum of its proper divisors (8551357).

42756755 is an equidigital number, since it uses as much as digits as its factorization.

42756755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551356.

The product of its digits is 294000, while the sum is 41.

The square root of 42756755 is about 6538.8649626675. The cubic root of 42756755 is about 349.6779486544.

The spelling of 42756755 in words is "forty-two million, seven hundred fifty-six thousand, seven hundred fifty-five".