8442373 has 2 divisors, whose sum is σ = 8442374. Its totient is φ = 8442372.

The previous prime is 8442367. The next prime is 8442389. The reversal of 8442373 is 3732448.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 388129 = 2838^2 + 623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8442373 is a prime.

It is a super-2 number, since 2×8442373² = 142547323742258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁵ + 4⁴ + 4⁵ + 2²³ + 3³ + 7 + 3⁹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8442673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221186 + 4221187.

It is an arithmetic number, because the mean of its divisors is an integer number (4221187).

Almost surely, 2^8442373 is an apocalyptic number.

It is an amenable number.

8442373 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442373 is an equidigital number, since it uses as much as digits as its factorization.

8442373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 8442373 is about 2905.5761907064. The cubic root of 8442373 is about 203.6205058710.

The spelling of 8442373 in words is "eight million, four hundred forty-two thousand, three hundred seventy-three".