276745741 has 2 divisors, whose sum is σ = 276745742. Its totient is φ = 276745740.

The previous prime is 276745723. The next prime is 276745783. The reversal of 276745741 is 147547672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273770116 + 2975625 = 16546^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 276745741 - 2⁵ = 276745709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276745841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138372870 + 138372871.

It is an arithmetic number, because the mean of its divisors is an integer number (138372871).

Almost surely, 2^276745741 is an apocalyptic number.

It is an amenable number.

276745741 is a deficient number, since it is larger than the sum of its proper divisors (1).

276745741 is an equidigital number, since it uses as much as digits as its factorization.

276745741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 43.

The square root of 276745741 is about 16635.6767520892. The cubic root of 276745741 is about 651.6688799129.

The spelling of 276745741 in words is "two hundred seventy-six million, seven hundred forty-five thousand, seven hundred forty-one".