42471938 has 16 divisors (see below), whose sum is σ = 67106880. Its totient is φ = 20120496.

The previous prime is 42471937. The next prime is 42471971. The reversal of 42471938 is 83917424.

It is not an unprimeable number, because it can be changed into a prime (42471931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (4194180).

Almost surely, 2^42471938 is an apocalyptic number.

42471938 is a deficient number, since it is larger than the sum of its proper divisors (24634942).

42471938 is a wasteful number, since it uses less digits than its factorization.

42471938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761.

The product of its digits is 48384, while the sum is 38.

The square root of 42471938 is about 6517.0497926593. The cubic root of 42471938 is about 348.8997777369.

The spelling of 42471938 in words is "forty-two million, four hundred seventy-one thousand, nine hundred thirty-eight".