2677643 has 2 divisors, whose sum is σ = 2677644. Its totient is φ = 2677642.

The previous prime is 2677639. The next prime is 2677673. The reversal of 2677643 is 3467762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2677643 - 2² = 2677639 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2677673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338821 + 1338822.

It is an arithmetic number, because the mean of its divisors is an integer number (1338822).

2^2677643 is an apocalyptic number.

2677643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2677643 is an equidigital number, since it uses as much as digits as its factorization.

2677643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 2677643 is about 1636.3505125736. The cubic root of 2677643 is about 138.8622585269.

The spelling of 2677643 in words is "two million, six hundred seventy-seven thousand, six hundred forty-three".