18740083 has 2 divisors, whose sum is σ = 18740084. Its totient is φ = 18740082.

The previous prime is 18740081. The next prime is 18740123. The reversal of 18740083 is 38004781.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18740083 - 2¹ = 18740081 is a prime.

Together with 18740081, it forms a pair of twin primes.

It is equal to p_1195546 and since 18740083 and 1195546 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18740081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9370041 + 9370042.

It is an arithmetic number, because the mean of its divisors is an integer number (9370042).

Almost surely, 2^18740083 is an apocalyptic number.

18740083 is a deficient number, since it is larger than the sum of its proper divisors (1).

18740083 is an equidigital number, since it uses as much as digits as its factorization.

18740083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 18740083 is about 4328.9817509433. The cubic root of 18740083 is about 265.6177967689.

The spelling of 18740083 in words is "eighteen million, seven hundred forty thousand, eighty-three".