2706240457 has 2 divisors, whose sum is σ = 2706240458. Its totient is φ = 2706240456.

The previous prime is 2706240431. The next prime is 2706240487. The reversal of 2706240457 is 7540426072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2510911881 + 195328576 = 50109^2 + 13976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2706240457 is a prime.

It is a super-2 number, since 2×2706240457² = 14647474822207137698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2706240487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353120228 + 1353120229.

It is an arithmetic number, because the mean of its divisors is an integer number (1353120229).

Almost surely, 2^2706240457 is an apocalyptic number.

It is an amenable number.

2706240457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706240457 is an equidigital number, since it uses as much as digits as its factorization.

2706240457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 2706240457 is about 52021.5383951686. The cubic root of 2706240457 is about 1393.5486259445.

The spelling of 2706240457 in words is "two billion, seven hundred six million, two hundred forty thousand, four hundred fifty-seven".