276949741 has 2 divisors, whose sum is σ = 276949742. Its totient is φ = 276949740.

The previous prime is 276949661. The next prime is 276949759. The reversal of 276949741 is 147949672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268009641 + 8940100 = 16371^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 276949741 - 2⁹ = 276949229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276949781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138474870 + 138474871.

It is an arithmetic number, because the mean of its divisors is an integer number (138474871).

Almost surely, 2^276949741 is an apocalyptic number.

It is an amenable number.

276949741 is a deficient number, since it is larger than the sum of its proper divisors (1).

276949741 is an equidigital number, since it uses as much as digits as its factorization.

276949741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 276949741 is about 16641.8070232772. The cubic root of 276949741 is about 651.8289640382.

The spelling of 276949741 in words is "two hundred seventy-six million, nine hundred forty-nine thousand, seven hundred forty-one".