42471394 has 8 divisors (see below), whose sum is σ = 72808128. Its totient is φ = 18202020.

The previous prime is 42471383. The next prime is 42471397. The reversal of 42471394 is 49317424.

It is a happy number.

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 (42471397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1516822 + ... + 1516849.

It is an arithmetic number, because the mean of its divisors is an integer number (9101016).

Almost surely, 2^42471394 is an apocalyptic number.

42471394 is a deficient number, since it is larger than the sum of its proper divisors (30336734).

42471394 is a wasteful number, since it uses less digits than its factorization.

42471394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033680.

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

The square root of 42471394 is about 6517.0080558489. The cubic root of 42471394 is about 348.8982881080.

The spelling of 42471394 in words is "forty-two million, four hundred seventy-one thousand, three hundred ninety-four".