42669065 has 16 divisors (see below), whose sum is σ = 54369792. Its totient is φ = 32035584.

The previous prime is 42669047. The next prime is 42669097. The reversal of 42669065 is 56096624.

It is a cyclic number.

It is not a de Polignac number, because 42669065 - 2²⁰ = 41620489 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, 51182 + ... + 52008.

It is an arithmetic number, because the mean of its divisors is an integer number (3398112).

Almost surely, 2^42669065 is an apocalyptic number.

It is an amenable number.

42669065 is a deficient number, since it is larger than the sum of its proper divisors (11700727).

42669065 is a wasteful number, since it uses less digits than its factorization.

42669065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 42669065 is about 6532.1562289951. The cubic root of 42669065 is about 349.4387330754.

It can be divided in two parts, 4266 and 9065, that added together give a palindrome (13331).

The spelling of 42669065 in words is "forty-two million, six hundred sixty-nine thousand, sixty-five".