2730979 has 2 divisors, whose sum is σ = 2730980. Its totient is φ = 2730978.

The previous prime is 2730967. The next prime is 2730983. The reversal of 2730979 is 9790372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2730979 - 2⁵ = 2730947 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2730919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365489 + 1365490.

It is an arithmetic number, because the mean of its divisors is an integer number (1365490).

2^2730979 is an apocalyptic number.

2730979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730979 is an equidigital number, since it uses as much as digits as its factorization.

2730979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2730979 is about 1652.5673965076. The cubic root of 2730979 is about 139.7782032230.

The spelling of 2730979 in words is "two million, seven hundred thirty thousand, nine hundred seventy-nine".