42605763 has 4 divisors (see below), whose sum is σ = 56807688. Its totient is φ = 28403840.

The previous prime is 42605747. The next prime is 42605777. The reversal of 42605763 is 36750624.

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

It is a cyclic number.

It is not a de Polignac number, because 42605763 - 2⁴ = 42605747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42605363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100958 + ... + 7100963.

It is an arithmetic number, because the mean of its divisors is an integer number (14201922).

Almost surely, 2^42605763 is an apocalyptic number.

42605763 is a deficient number, since it is larger than the sum of its proper divisors (14201925).

42605763 is a wasteful number, since it uses less digits than its factorization.

42605763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201924.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 42605763 is about 6527.3090167388. The cubic root of 42605763 is about 349.2658434300.

The spelling of 42605763 in words is "forty-two million, six hundred five thousand, seven hundred sixty-three".