42712265 has 16 divisors (see below), whose sum is σ = 55213056. Its totient is φ = 31627200.

The previous prime is 42712249. The next prime is 42712289. The reversal of 42712265 is 56221724.

It is a happy number.

It is not a de Polignac number, because 42712265 - 2⁴ = 42712249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (3450816).

Almost surely, 2^42712265 is an apocalyptic number.

It is an amenable number.

42712265 is a deficient number, since it is larger than the sum of its proper divisors (12500791).

42712265 is a wasteful number, since it uses less digits than its factorization.

42712265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040.

The product of its digits is 6720, while the sum is 29.

The square root of 42712265 is about 6535.4621106698. The cubic root of 42712265 is about 349.5566222425.

Adding to 42712265 its reverse (56221724), we get a palindrome (98933989).

The spelling of 42712265 in words is "forty-two million, seven hundred twelve thousand, two hundred sixty-five".