42471814 has 32 divisors (see below), whose sum is σ = 84105216. Its totient is φ = 15573120.

The previous prime is 42471749. The next prime is 42471817. The reversal of 42471814 is 41817424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5494 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (2628288).

Almost surely, 2^42471814 is an apocalyptic number.

42471814 is a deficient number, since it is larger than the sum of its proper divisors (41633402).

42471814 is a wasteful number, since it uses less digits than its factorization.

42471814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260.

The product of its digits is 7168, while the sum is 31.

The square root of 42471814 is about 6517.0402791451. The cubic root of 42471814 is about 348.8994381903.

The spelling of 42471814 in words is "forty-two million, four hundred seventy-one thousand, eight hundred fourteen".