2494729 has 2 divisors, whose sum is σ = 2494730. Its totient is φ = 2494728.

The previous prime is 2494721. The next prime is 2494753. The reversal of 2494729 is 9274942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 1054729 = 1200^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2494729 - 2³ = 2494721 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁸ + 9 + 4¹⁰ + 7⁷ + 2¹⁹ + 9 .

It is not a weakly prime, because it can be changed into another prime (2494721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247364 + 1247365.

It is an arithmetic number, because the mean of its divisors is an integer number (1247365).

2^2494729 is an apocalyptic number.

It is an amenable number.

2494729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494729 is an equidigital number, since it uses as much as digits as its factorization.

2494729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 2494729 is about 1579.4711140125. The cubic root of 2494729 is about 135.6254290797.

It can be divided in two parts, 24947 and 29, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 2494729 in words is "two million, four hundred ninety-four thousand, seven hundred twenty-nine".