18073007 has 2 divisors, whose sum is σ = 18073008. Its totient is φ = 18073006.

The previous prime is 18072997. The next prime is 18073021. The reversal of 18073007 is 70037081.

It is a weak prime.

It is an emirp because it is prime and its reverse (70037081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18073007 - 2⁴ = 18072991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18073037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9036503 + 9036504.

It is an arithmetic number, because the mean of its divisors is an integer number (9036504).

Almost surely, 2^18073007 is an apocalyptic number.

18073007 is a deficient number, since it is larger than the sum of its proper divisors (1).

18073007 is an equidigital number, since it uses as much as digits as its factorization.

18073007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 18073007 is about 4251.2359379362. The cubic root of 18073007 is about 262.4279808474.

The spelling of 18073007 in words is "eighteen million, seventy-three thousand, seven".