42294665 has 16 divisors (see below), whose sum is σ = 61057920. Its totient is φ = 27475200.

The previous prime is 42294653. The next prime is 42294709. The reversal of 42294665 is 56649224.

It is not a de Polignac number, because 42294665 - 2⁸ = 42294409 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 31136 + ... + 32465.

It is an arithmetic number, because the mean of its divisors is an integer number (3816120).

Almost surely, 2^42294665 is an apocalyptic number.

It is an amenable number.

42294665 is a deficient number, since it is larger than the sum of its proper divisors (18763255).

42294665 is a wasteful number, since it uses less digits than its factorization.

42294665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63632.

The product of its digits is 103680, while the sum is 38.

The square root of 42294665 is about 6503.4348616712. The cubic root of 42294665 is about 348.4136782430.

The spelling of 42294665 in words is "forty-two million, two hundred ninety-four thousand, six hundred sixty-five".