42907270 has 32 divisors (see below), whose sum is σ = 89395200. Its totient is φ = 14522976.

The previous prime is 42907261. The next prime is 42907289. The reversal of 42907270 is 7270924.

It is a happy number.

42907270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651 + ... + 9409.

It is an arithmetic number, because the mean of its divisors is an integer number (2793600).

Almost surely, 2^42907270 is an apocalyptic number.

42907270 is an abundant number, since it is smaller than the sum of its proper divisors (46487930).

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

42907270 is a wasteful number, since it uses less digits than its factorization.

42907270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 42907270 is about 6550.3641120170. The cubic root of 42907270 is about 350.0877875030.

The spelling of 42907270 in words is "forty-two million, nine hundred seven thousand, two hundred seventy".