18360373 has 2 divisors, whose sum is σ = 18360374. Its totient is φ = 18360372.

The previous prime is 18360367. The next prime is 18360379. The reversal of 18360373 is 37306381.

It is a balanced prime because it is at equal distance from previous prime (18360367) and next prime (18360379).

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 2304324 = 4007^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 18360373 - 2⁵ = 18360341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18360379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9180186 + 9180187.

It is an arithmetic number, because the mean of its divisors is an integer number (9180187).

Almost surely, 2^18360373 is an apocalyptic number.

It is an amenable number.

18360373 is a deficient number, since it is larger than the sum of its proper divisors (1).

18360373 is an equidigital number, since it uses as much as digits as its factorization.

18360373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 18360373 is about 4284.9005822773. The cubic root of 18360373 is about 263.8115668288.

The spelling of 18360373 in words is "eighteen million, three hundred sixty thousand, three hundred seventy-three".