2720677 has 2 divisors, whose sum is σ = 2720678. Its totient is φ = 2720676.

The previous prime is 2720671. The next prime is 2720687. The reversal of 2720677 is 7760272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 60516 = 1631^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720677 - 2¹¹ = 2718629 is a prime.

2720677 is a lucky number.

It is equal to p₁₉₈₀₅₈ and since 2720677 and 198058 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360338 + 1360339.

It is an arithmetic number, because the mean of its divisors is an integer number (1360339).

2^2720677 is an apocalyptic number.

It is an amenable number.

2720677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720677 is an equidigital number, since it uses as much as digits as its factorization.

2720677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 2720677 is about 1649.4474832501. The cubic root of 2720677 is about 139.6022212108.

The spelling of 2720677 in words is "two million, seven hundred twenty thousand, six hundred seventy-seven".