42726330 has 24 divisors (see below), whose sum is σ = 111088692. Its totient is φ = 11393664.

The previous prime is 42726311. The next prime is 42726353. The reversal of 42726330 is 3362724.

42726330 is a `hidden beast` number, since 4 + 27 + 2 + 633 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38601369 + 4124961 = 6213^2 + 2031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42726294 and 42726303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237279 + ... + 237458.

Almost surely, 2^42726330 is an apocalyptic number.

42726330 is an abundant number, since it is smaller than the sum of its proper divisors (68362362).

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

42726330 is a wasteful number, since it uses less digits than its factorization.

42726330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474750 (or 474747 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 42726330 is about 6536.5380745468. The cubic root of 42726330 is about 349.5949872908.

The spelling of 42726330 in words is "forty-two million, seven hundred twenty-six thousand, three hundred thirty".