42341765 has 4 divisors (see below), whose sum is σ = 50810124. Its totient is φ = 33873408.

The previous prime is 42341737. The next prime is 42341779. The reversal of 42341765 is 56714324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4605316 + 37736449 = 2146^2 + 6143^2 .

It is a cyclic number.

It is not a de Polignac number, because 42341765 - 2¹⁸ = 42079621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 4234172 + ... + 4234181.

It is an arithmetic number, because the mean of its divisors is an integer number (12702531).

Almost surely, 2^42341765 is an apocalyptic number.

It is an amenable number.

42341765 is a deficient number, since it is larger than the sum of its proper divisors (8468359).

42341765 is an equidigital number, since it uses as much as digits as its factorization.

42341765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468358.

The product of its digits is 20160, while the sum is 32.

The square root of 42341765 is about 6507.0550174407. The cubic root of 42341765 is about 348.5429632362.

The spelling of 42341765 in words is "forty-two million, three hundred forty-one thousand, seven hundred sixty-five".