42270946 has 8 divisors (see below), whose sum is σ = 65120220. Its totient is φ = 20564208.

The previous prime is 42270937. The next prime is 42270947. The reversal of 42270946 is 64907224.

It can be written as a sum of positive squares in 2 ways, for example, as 41796225 + 474721 = 6465^2 + 689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42270947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285541 + ... + 285688.

Almost surely, 2^42270946 is an apocalyptic number.

42270946 is a deficient number, since it is larger than the sum of its proper divisors (22849274).

42270946 is a wasteful number, since it uses less digits than its factorization.

42270946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571268.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 42270946 is about 6501.6110311214. The cubic root of 42270946 is about 348.3485355168.

The spelling of 42270946 in words is "forty-two million, two hundred seventy thousand, nine hundred forty-six".