42726011 has 2 divisors, whose sum is σ = 42726012. Its totient is φ = 42726010.

The previous prime is 42726007. The next prime is 42726017. The reversal of 42726011 is 11062724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42726011 - 2² = 42726007 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42726017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363005 + 21363006.

It is an arithmetic number, because the mean of its divisors is an integer number (21363006).

Almost surely, 2^42726011 is an apocalyptic number.

42726011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42726011 is an equidigital number, since it uses as much as digits as its factorization.

42726011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 42726011 is about 6536.5136732053. The cubic root of 42726011 is about 349.5941172490.

Adding to 42726011 its reverse (11062724), we get a palindrome (53788735).

The spelling of 42726011 in words is "forty-two million, seven hundred twenty-six thousand, eleven".