42760187 has 2 divisors, whose sum is σ = 42760188. Its totient is φ = 42760186.

The previous prime is 42760163. The next prime is 42760199. The reversal of 42760187 is 78106724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42760187 - 2²⁰ = 41711611 is a prime.

It is not a weakly prime, because it can be changed into another prime (42760147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21380093 + 21380094.

It is an arithmetic number, because the mean of its divisors is an integer number (21380094).

Almost surely, 2^42760187 is an apocalyptic number.

42760187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42760187 is an equidigital number, since it uses as much as digits as its factorization.

42760187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 42760187 is about 6539.1273882683. The cubic root of 42760187 is about 349.6873043894.

The spelling of 42760187 in words is "forty-two million, seven hundred sixty thousand, one hundred eighty-seven".