42671272 has 32 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 18244800.

The previous prime is 42671263. The next prime is 42671303. The reversal of 42671272 is 27217624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38713 + ... + 39799.

It is an arithmetic number, because the mean of its divisors is an integer number (2864160).

Almost surely, 2^42671272 is an apocalyptic number.

It is an amenable number.

42671272 is an abundant number, since it is smaller than the sum of its proper divisors (48981848).

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

42671272 is a wasteful number, since it uses less digits than its factorization.

42671272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1797 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 42671272 is about 6532.3251603085. The cubic root of 42671272 is about 349.4447577211. Note that the first 3 decimals are identical.

Adding to 42671272 its reverse (27217624), we get a palindrome (69888896).

The spelling of 42671272 in words is "forty-two million, six hundred seventy-one thousand, two hundred seventy-two".