2720457007 has 2 divisors, whose sum is σ = 2720457008. Its totient is φ = 2720457006.

The previous prime is 2720456941. The next prime is 2720457013. The reversal of 2720457007 is 7007540272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2720457007 - 2¹¹ = 2720454959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720457017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360228503 + 1360228504.

It is an arithmetic number, because the mean of its divisors is an integer number (1360228504).

Almost surely, 2^2720457007 is an apocalyptic number.

2720457007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720457007 is an equidigital number, since it uses as much as digits as its factorization.

2720457007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 2720457007 is about 52158.0004122091. Note that the first 3 decimals coincide. The cubic root of 2720457007 is about 1395.9845838028.

Adding to 2720457007 its reverse (7007540272), we get a palindrome (9727997279).

The spelling of 2720457007 in words is "two billion, seven hundred twenty million, four hundred fifty-seven thousand, seven".