2764247 has 2 divisors, whose sum is σ = 2764248. Its totient is φ = 2764246.

The previous prime is 2764213. The next prime is 2764271. The reversal of 2764247 is 7424672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2764247 - 2¹² = 2760151 is a prime.

It is a super-2 number, since 2×2764247² = 15282122954018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2764207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382123 + 1382124.

It is an arithmetic number, because the mean of its divisors is an integer number (1382124).

2^2764247 is an apocalyptic number.

2764247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764247 is an equidigital number, since it uses as much as digits as its factorization.

2764247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 32.

The square root of 2764247 is about 1662.6024780446. The cubic root of 2764247 is about 140.3434932766.

The spelling of 2764247 in words is "two million, seven hundred sixty-four thousand, two hundred forty-seven".