42671246 has 4 divisors (see below), whose sum is σ = 64006872. Its totient is φ = 21335622.

The previous prime is 42671243. The next prime is 42671263. The reversal of 42671246 is 64217624.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42671243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667810 + ... + 10667813.

It is an arithmetic number, because the mean of its divisors is an integer number (16001718).

Almost surely, 2^42671246 is an apocalyptic number.

42671246 is a deficient number, since it is larger than the sum of its proper divisors (21335626).

42671246 is a wasteful number, since it uses less digits than its factorization.

42671246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21335625.

The product of its digits is 16128, while the sum is 32.

The square root of 42671246 is about 6532.3231702052. The cubic root of 42671246 is about 349.4446867477. Note that the first 3 decimals are identical.

The spelling of 42671246 in words is "forty-two million, six hundred seventy-one thousand, two hundred forty-six".