42726227 has 2 divisors, whose sum is σ = 42726228. Its totient is φ = 42726226.

The previous prime is 42726221. The next prime is 42726239. The reversal of 42726227 is 72262724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42726227 - 2⁶ = 42726163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42726193 and 42726202.

It is not a weakly prime, because it can be changed into another prime (42726221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363113 + 21363114.

It is an arithmetic number, because the mean of its divisors is an integer number (21363114).

Almost surely, 2^42726227 is an apocalyptic number.

42726227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42726227 is an equidigital number, since it uses as much as digits as its factorization.

42726227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 32.

The square root of 42726227 is about 6536.5301957537. The cubic root of 42726227 is about 349.5947063687.

The spelling of 42726227 in words is "forty-two million, seven hundred twenty-six thousand, two hundred twenty-seven".