42726416 has 20 divisors (see below), whose sum is σ = 85020972. Its totient is φ = 20785536.

The previous prime is 42726407. The next prime is 42726493. The reversal of 42726416 is 61462724.

It can be written as a sum of positive squares in 2 ways, for example, as 21196816 + 21529600 = 4604^2 + 4640^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35495 + ... + 36678.

Almost surely, 2^42726416 is an apocalyptic number.

It is an amenable number.

42726416 is a deficient number, since it is larger than the sum of its proper divisors (42294556).

42726416 is a wasteful number, since it uses less digits than its factorization.

42726416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72218 (or 72212 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 42726416 is about 6536.5446529493. The cubic root of 42726416 is about 349.5952218468.

The spelling of 42726416 in words is "forty-two million, seven hundred twenty-six thousand, four hundred sixteen".