2779741 has 2 divisors, whose sum is σ = 2779742. Its totient is φ = 2779740.

The previous prime is 2779727. The next prime is 2779747. The reversal of 2779741 is 1479772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2627641 + 152100 = 1621^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2779741 - 2⁷ = 2779613 is a prime.

It is a Chen prime.

2779741 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2779741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2779747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389870 + 1389871.

It is an arithmetic number, because the mean of its divisors is an integer number (1389871).

2^2779741 is an apocalyptic number.

It is an amenable number.

2779741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2779741 is an equidigital number, since it uses as much as digits as its factorization.

2779741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 37.

The square root of 2779741 is about 1667.2555293056. The cubic root of 2779741 is about 140.6052199998.

The spelling of 2779741 in words is "two million, seven hundred seventy-nine thousand, seven hundred forty-one".