42871058 has 4 divisors (see below), whose sum is σ = 64306590. Its totient is φ = 21435528.

The previous prime is 42871027. The next prime is 42871063. The reversal of 42871058 is 85017824.

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

It can be written as a sum of positive squares in only one way, i.e., 42680089 + 190969 = 6533^2 + 437^2 .

It is a super-2 number, since 2×42871058² = 3675855228078728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10717763 + ... + 10717766.

Almost surely, 2^42871058 is an apocalyptic number.

42871058 is a deficient number, since it is larger than the sum of its proper divisors (21435532).

42871058 is a wasteful number, since it uses less digits than its factorization.

42871058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435531.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 42871058 is about 6547.5994074164. The cubic root of 42871058 is about 349.9892731406.

The spelling of 42871058 in words is "forty-two million, eight hundred seventy-one thousand, fifty-eight".