42664267 has 2 divisors, whose sum is σ = 42664268. Its totient is φ = 42664266.

The previous prime is 42664261. The next prime is 42664273. The reversal of 42664267 is 76246624.

It is a balanced prime because it is at equal distance from previous prime (42664261) and next prime (42664273).

It is a cyclic number.

It is not a de Polignac number, because 42664267 - 2¹⁵ = 42631499 is a prime.

It is not a weakly prime, because it can be changed into another prime (42664261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21332133 + 21332134.

It is an arithmetic number, because the mean of its divisors is an integer number (21332134).

Almost surely, 2^42664267 is an apocalyptic number.

42664267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42664267 is an equidigital number, since it uses as much as digits as its factorization.

42664267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 42664267 is about 6531.7889586238. The cubic root of 42664267 is about 349.4256348282.

The spelling of 42664267 in words is "forty-two million, six hundred sixty-four thousand, two hundred sixty-seven".