42461686 has 4 divisors (see below), whose sum is σ = 63692532. Its totient is φ = 21230842.

The previous prime is 42461677. The next prime is 42461693. The reversal of 42461686 is 68616424.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615420 + ... + 10615423.

It is an arithmetic number, because the mean of its divisors is an integer number (15923133).

Almost surely, 2^42461686 is an apocalyptic number.

42461686 is a deficient number, since it is larger than the sum of its proper divisors (21230846).

42461686 is a wasteful number, since it uses less digits than its factorization.

42461686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21230845.

The product of its digits is 55296, while the sum is 37.

The square root of 42461686 is about 6516.2631929657. The cubic root of 42461686 is about 348.8717026633.

The spelling of 42461686 in words is "forty-two million, four hundred sixty-one thousand, six hundred eighty-six".