42382765 has 4 divisors (see below), whose sum is σ = 50859324. Its totient is φ = 33906208.

The previous prime is 42382759. The next prime is 42382799. The reversal of 42382765 is 56728324.

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 5148361 + 37234404 = 2269^2 + 6102^2 .

It is a cyclic number.

It is not a de Polignac number, because 42382765 - 2³ = 42382757 is a prime.

It is a Duffinian 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, 4238272 + ... + 4238281.

It is an arithmetic number, because the mean of its divisors is an integer number (12714831).

Almost surely, 2^42382765 is an apocalyptic number.

It is an amenable number.

42382765 is a deficient number, since it is larger than the sum of its proper divisors (8476559).

42382765 is an equidigital number, since it uses as much as digits as its factorization.

42382765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476558.

The product of its digits is 80640, while the sum is 37.

The square root of 42382765 is about 6510.2046818821. The cubic root of 42382765 is about 348.6554262814.

The spelling of 42382765 in words is "forty-two million, three hundred eighty-two thousand, seven hundred sixty-five".