2742979 has 2 divisors, whose sum is σ = 2742980. Its totient is φ = 2742978.

The previous prime is 2742977. The next prime is 2742983. The reversal of 2742979 is 9792472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2742979 - 2¹ = 2742977 is a prime.

Together with 2742977, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2742977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371489 + 1371490.

It is an arithmetic number, because the mean of its divisors is an integer number (1371490).

2^2742979 is an apocalyptic number.

2742979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742979 is an equidigital number, since it uses as much as digits as its factorization.

2742979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 2742979 is about 1656.1941311332. The cubic root of 2742979 is about 139.9826339004.

It can be divided in two parts, 2742 and 979, that added together give a square (3721 = 61²).

The spelling of 2742979 in words is "two million, seven hundred forty-two thousand, nine hundred seventy-nine".