42373087 has 2 divisors, whose sum is σ = 42373088. Its totient is φ = 42373086.

The previous prime is 42373081. The next prime is 42373091. The reversal of 42373087 is 78037324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42373087 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42373081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21186543 + 21186544.

It is an arithmetic number, because the mean of its divisors is an integer number (21186544).

Almost surely, 2^42373087 is an apocalyptic number.

42373087 is a deficient number, since it is larger than the sum of its proper divisors (1).

42373087 is an equidigital number, since it uses as much as digits as its factorization.

42373087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 42373087 is about 6509.4613448426. The cubic root of 42373087 is about 348.6288860586.

The spelling of 42373087 in words is "forty-two million, three hundred seventy-three thousand, eighty-seven".