42755434 has 8 divisors (see below), whose sum is σ = 67508640. Its totient is φ = 20252556.

The previous prime is 42755431. The next prime is 42755437. The reversal of 42755434 is 43455724.

It is an interprime number because it is at equal distance from previous prime (42755431) and next prime (42755437).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42755434.

It is not an unprimeable number, because it can be changed into a prime (42755431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562534 + ... + 562609.

It is an arithmetic number, because the mean of its divisors is an integer number (8438580).

Almost surely, 2^42755434 is an apocalyptic number.

42755434 is a deficient number, since it is larger than the sum of its proper divisors (24753206).

42755434 is a wasteful number, since it uses less digits than its factorization.

42755434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125164.

The product of its digits is 67200, while the sum is 34.

The square root of 42755434 is about 6538.7639504726. The cubic root of 42755434 is about 349.6743474353.

The spelling of 42755434 in words is "forty-two million, seven hundred fifty-five thousand, four hundred thirty-four".