7974143 has 2 divisors, whose sum is σ = 7974144. Its totient is φ = 7974142.

The previous prime is 7974137. The next prime is 7974149. The reversal of 7974143 is 3414797.

It is a balanced prime because it is at equal distance from previous prime (7974137) and next prime (7974149).

It is a cyclic number.

It is not a de Polignac number, because 7974143 - 2¹² = 7970047 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7974149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987071 + 3987072.

It is an arithmetic number, because the mean of its divisors is an integer number (3987072).

Almost surely, 2^7974143 is an apocalyptic number.

7974143 is a deficient number, since it is larger than the sum of its proper divisors (1).

7974143 is an equidigital number, since it uses as much as digits as its factorization.

7974143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 7974143 is about 2823.8525103128. The cubic root of 7974143 is about 199.7842924349.

The spelling of 7974143 in words is "seven million, nine hundred seventy-four thousand, one hundred forty-three".