7243867 has 2 divisors, whose sum is σ = 7243868. Its totient is φ = 7243866.

The previous prime is 7243861. The next prime is 7243871. The reversal of 7243867 is 7683427.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7243867 is a prime.

It is a super-2 number, since 2×7243867² = 104947218227378, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁶ + 2⁷ + 4¹⁰ + 3² + 8⁵ + 6⁷ + 7⁸ .

7243867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7243861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621933 + 3621934.

It is an arithmetic number, because the mean of its divisors is an integer number (3621934).

Almost surely, 2^7243867 is an apocalyptic number.

7243867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243867 is an equidigital number, since it uses as much as digits as its factorization.

7243867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 7243867 is about 2691.4432931050. The cubic root of 7243867 is about 193.4892417239.

The spelling of 7243867 in words is "seven million, two hundred forty-three thousand, eight hundred sixty-seven".