42271774 has 8 divisors (see below), whose sum is σ = 64354248. Its totient is φ = 20820360.

The previous prime is 42271771. The next prime is 42271781. The reversal of 42271774 is 47717224.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42271771) 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, 157597 + ... + 157864.

It is an arithmetic number, because the mean of its divisors is an integer number (8044281).

Almost surely, 2^42271774 is an apocalyptic number.

42271774 is a deficient number, since it is larger than the sum of its proper divisors (22082474).

42271774 is a wasteful number, since it uses less digits than its factorization.

42271774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315530.

The product of its digits is 21952, while the sum is 34.

The square root of 42271774 is about 6501.6747073350. The cubic root of 42271774 is about 348.3508099766.

Adding to 42271774 its reverse (47717224), we get a palindrome (89988998).

The spelling of 42271774 in words is "forty-two million, two hundred seventy-one thousand, seven hundred seventy-four".