18375743 has 2 divisors, whose sum is σ = 18375744. Its totient is φ = 18375742.

The previous prime is 18375739. The next prime is 18375761. The reversal of 18375743 is 34757381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18375743 - 2² = 18375739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18375697 and 18375706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18375703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9187871 + 9187872.

It is an arithmetic number, because the mean of its divisors is an integer number (9187872).

Almost surely, 2^18375743 is an apocalyptic number.

18375743 is a deficient number, since it is larger than the sum of its proper divisors (1).

18375743 is an equidigital number, since it uses as much as digits as its factorization.

18375743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 18375743 is about 4286.6937142744. The cubic root of 18375743 is about 263.8851610644.

The spelling of 18375743 in words is "eighteen million, three hundred seventy-five thousand, seven hundred forty-three".