7404247 has 2 divisors, whose sum is σ = 7404248. Its totient is φ = 7404246.

The previous prime is 7404223. The next prime is 7404253. The reversal of 7404247 is 7424047.

7404247 is nontrivially palindromic in base 11.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7404247 - 2¹⁹ = 6879959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7404647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702123 + 3702124.

It is an arithmetic number, because the mean of its divisors is an integer number (3702124).

Almost surely, 2^7404247 is an apocalyptic number.

7404247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7404247 is an equidigital number, since it uses as much as digits as its factorization.

7404247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 7404247 is about 2721.0746039019. The cubic root of 7404247 is about 194.9067886752.

The spelling of 7404247 in words is "seven million, four hundred four thousand, two hundred forty-seven".