42671487 has 8 divisors (see below), whose sum is σ = 57112704. Its totient is φ = 28338968.

The previous prime is 42671483. The next prime is 42671491. The reversal of 42671487 is 78417624.

It is an interprime number because it is at equal distance from previous prime (42671483) and next prime (42671491).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42671487 - 2² = 42671483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42671483) 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, 26253 + ... + 27830.

It is an arithmetic number, because the mean of its divisors is an integer number (7139088).

Almost surely, 2^42671487 is an apocalyptic number.

42671487 is a deficient number, since it is larger than the sum of its proper divisors (14441217).

42671487 is a wasteful number, since it uses less digits than its factorization.

42671487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54349.

The product of its digits is 75264, while the sum is 39.

The square root of 42671487 is about 6532.3416169089. The cubic root of 42671487 is about 349.4453446147.

The spelling of 42671487 in words is "forty-two million, six hundred seventy-one thousand, four hundred eighty-seven".