42613686 has 12 divisors (see below), whose sum is σ = 92329692. Its totient is φ = 14204556.

The previous prime is 42613667. The next prime is 42613693. The reversal of 42613686 is 68631624.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42613686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1183696 + ... + 1183731.

It is an arithmetic number, because the mean of its divisors is an integer number (7694141).

Almost surely, 2^42613686 is an apocalyptic number.

42613686 is an abundant number, since it is smaller than the sum of its proper divisors (49716006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42613686 is a wasteful number, since it uses less digits than its factorization.

42613686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367435 (or 2367432 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42613686 is about 6527.9159001936. The cubic root of 42613686 is about 349.2874920019.

The spelling of 42613686 in words is "forty-two million, six hundred thirteen thousand, six hundred eighty-six".