42907266 has 16 divisors (see below), whose sum is σ = 95349600. Its totient is φ = 14302404.

The previous prime is 42907261. The next prime is 42907289. The reversal of 42907266 is 66270924.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42907266.

It is not an unprimeable number, because it can be changed into a prime (42907261) 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, 397236 + ... + 397343.

It is an arithmetic number, because the mean of its divisors is an integer number (5959350).

Almost surely, 2^42907266 is an apocalyptic number.

42907266 is an abundant number, since it is smaller than the sum of its proper divisors (52442334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42907266 is a wasteful number, since it uses less digits than its factorization.

42907266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794590 (or 794584 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42907266 is about 6550.3638066904. The cubic root of 42907266 is about 350.0877766241.

The spelling of 42907266 in words is "forty-two million, nine hundred seven thousand, two hundred sixty-six".