42907268 has 6 divisors (see below), whose sum is σ = 75087726. Its totient is φ = 21453632.

The previous prime is 42907261. The next prime is 42907289. The reversal of 42907268 is 86270924.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 5721664 = 6098^2 + 2392^2 .

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 as a sum of consecutive naturals, namely, 5363405 + ... + 5363412.

It is an arithmetic number, because the mean of its divisors is an integer number (12514621).

Almost surely, 2^42907268 is an apocalyptic number.

It is an amenable number.

42907268 is a deficient number, since it is larger than the sum of its proper divisors (32180458).

42907268 is a wasteful number, since it uses less digits than its factorization.

42907268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726821 (or 10726819 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 42907268 is about 6550.3639593537. The cubic root of 42907268 is about 350.0877820635.

The spelling of 42907268 in words is "forty-two million, nine hundred seven thousand, two hundred sixty-eight".