42621382 has 8 divisors (see below), whose sum is σ = 64004400. Its totient is φ = 21286584.

The previous prime is 42621379. The next prime is 42621391. The reversal of 42621382 is 28312624.

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 42621382.

It is a congruent number.

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, 9757 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (8000550).

Almost surely, 2^42621382 is an apocalyptic number.

42621382 is a deficient number, since it is larger than the sum of its proper divisors (21383018).

42621382 is a wasteful number, since it uses less digits than its factorization.

42621382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24110.

The product of its digits is 4608, while the sum is 28.

The square root of 42621382 is about 6528.5053419600. The cubic root of 42621382 is about 349.3085177566.

The spelling of 42621382 in words is "forty-two million, six hundred twenty-one thousand, three hundred eighty-two".