42613642 has 8 divisors (see below), whose sum is σ = 63955332. Its totient is φ = 21295200.

The previous prime is 42613639. The next prime is 42613651. The reversal of 42613642 is 24631624.

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 116281 = 6519^2 + 341^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42613642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 9232.

Almost surely, 2^42613642 is an apocalyptic number.

42613642 is a deficient number, since it is larger than the sum of its proper divisors (21341690).

42613642 is a wasteful number, since it uses less digits than its factorization.

42613642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624.

The product of its digits is 6912, while the sum is 28.

The square root of 42613642 is about 6527.9125300512. The cubic root of 42613642 is about 349.2873717850.

The spelling of 42613642 in words is "forty-two million, six hundred thirteen thousand, six hundred forty-two".