2759947 has 2 divisors, whose sum is σ = 2759948. Its totient is φ = 2759946.

The previous prime is 2759929. The next prime is 2759951. The reversal of 2759947 is 7499572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2759947 - 2⁷ = 2759819 is a prime.

2759947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2759917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379973 + 1379974.

It is an arithmetic number, because the mean of its divisors is an integer number (1379974).

2^2759947 is an apocalyptic number.

2759947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2759947 is an equidigital number, since it uses as much as digits as its factorization.

2759947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 2759947 is about 1661.3088213815. The cubic root of 2759947 is about 140.2706837906.

The spelling of 2759947 in words is "two million, seven hundred fifty-nine thousand, nine hundred forty-seven".