42621326 has 8 divisors (see below), whose sum is σ = 69744024. Its totient is φ = 19373320.

The previous prime is 42621317. The next prime is 42621331. The reversal of 42621326 is 62312624.

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

It is a junction number, because it is equal to n+sod(n) for n = 42621295 and 42621304.

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, 968645 + ... + 968688.

It is an arithmetic number, because the mean of its divisors is an integer number (8718003).

Almost surely, 2^42621326 is an apocalyptic number.

42621326 is a deficient number, since it is larger than the sum of its proper divisors (27122698).

42621326 is a wasteful number, since it uses less digits than its factorization.

42621326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937346.

The product of its digits is 3456, while the sum is 26.

The square root of 42621326 is about 6528.5010530749. The cubic root of 42621326 is about 349.3083647717.

The spelling of 42621326 in words is "forty-two million, six hundred twenty-one thousand, three hundred twenty-six".