42270965 has 8 divisors (see below), whose sum is σ = 55336608. Its totient is φ = 30742480.

The previous prime is 42270961. The next prime is 42270967. The reversal of 42270965 is 56907224.

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

It is not a de Polignac number, because 42270965 - 2² = 42270961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42270961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384227 + ... + 384336.

It is an arithmetic number, because the mean of its divisors is an integer number (6917076).

Almost surely, 2^42270965 is an apocalyptic number.

It is an amenable number.

42270965 is a deficient number, since it is larger than the sum of its proper divisors (13065643).

42270965 is a wasteful number, since it uses less digits than its factorization.

42270965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768579.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 42270965 is about 6501.6124922976. The cubic root of 42270965 is about 348.3485877088.

The spelling of 42270965 in words is "forty-two million, two hundred seventy thousand, nine hundred sixty-five".