42353761 has 4 divisors (see below), whose sum is σ = 42386112. Its totient is φ = 42321412.

The previous prime is 42353747. The next prime is 42353771. The reversal of 42353761 is 16735324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42353761 - 2⁹ = 42353249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42353771) 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, 14125 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (10596528).

Almost surely, 2^42353761 is an apocalyptic number.

It is an amenable number.

42353761 is a deficient number, since it is larger than the sum of its proper divisors (32351).

42353761 is a wasteful number, since it uses less digits than its factorization.

42353761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32350.

The product of its digits is 15120, while the sum is 31.

The square root of 42353761 is about 6507.9767209172. The cubic root of 42353761 is about 348.5758757879.

The spelling of 42353761 in words is "forty-two million, three hundred fifty-three thousand, seven hundred sixty-one".