42586634 has 4 divisors (see below), whose sum is σ = 63879954. Its totient is φ = 21293316.

The previous prime is 42586603. The next prime is 42586729. The reversal of 42586634 is 43668524.

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., 34774609 + 7812025 = 5897^2 + 2795^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10646657 + ... + 10646660.

Almost surely, 2^42586634 is an apocalyptic number.

42586634 is a deficient number, since it is larger than the sum of its proper divisors (21293320).

42586634 is a wasteful number, since it uses less digits than its factorization.

42586634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21293319.

The product of its digits is 138240, while the sum is 38.

The square root of 42586634 is about 6525.8435470060. The cubic root of 42586634 is about 349.2135648493.

The spelling of 42586634 in words is "forty-two million, five hundred eighty-six thousand, six hundred thirty-four".