42732265 has 16 divisors (see below), whose sum is σ = 52387200. Its totient is φ = 33454080.

The previous prime is 42732253. The next prime is 42732281. The reversal of 42732265 is 56223724.

It is not a de Polignac number, because 42732265 - 2⁵ = 42732233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66345 + ... + 66985.

It is an arithmetic number, because the mean of its divisors is an integer number (3274200).

Almost surely, 2^42732265 is an apocalyptic number.

It is an amenable number.

42732265 is a deficient number, since it is larger than the sum of its proper divisors (9654935).

42732265 is a wasteful number, since it uses less digits than its factorization.

42732265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its digits is 20160, while the sum is 31.

The square root of 42732265 is about 6536.9920452759. The cubic root of 42732265 is about 349.6111736423.

Adding to 42732265 its reverse (56223724), we get a palindrome (98955989).

The spelling of 42732265 in words is "forty-two million, seven hundred thirty-two thousand, two hundred sixty-five".