7874393 has 2 divisors, whose sum is σ = 7874394. Its totient is φ = 7874392.

The previous prime is 7874387. The next prime is 7874401. The reversal of 7874393 is 3934787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 3087049 = 2188^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 7874393 - 2⁶ = 7874329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7874393.

It is not a weakly prime, because it can be changed into another prime (7874323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937196 + 3937197.

It is an arithmetic number, because the mean of its divisors is an integer number (3937197).

Almost surely, 2^7874393 is an apocalyptic number.

It is an amenable number.

7874393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874393 is an equidigital number, since it uses as much as digits as its factorization.

7874393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 7874393 is about 2806.1348862804. The cubic root of 7874393 is about 198.9477485434.

The spelling of 7874393 in words is "seven million, eight hundred seventy-four thousand, three hundred ninety-three".