2704729 has 6 divisors (see below), whose sum is σ = 2774030. Its totient is φ = 2637120.

The previous prime is 2704711. The next prime is 2704733. The reversal of 2704729 is 9274072.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 57600 + 2647129 = 240^2 + 1627^2 .

It is not a de Polignac number, because 2704729 - 2⁵ = 2704697 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 7 + 0 + 4⁸ + 7⁴ + 2²¹ + 9⁶ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2704729.

It is not an unprimeable number, because it can be changed into a prime (2704739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877 + ... + 2485.

2^2704729 is an apocalyptic number.

It is an amenable number.

2704729 is a deficient number, since it is larger than the sum of its proper divisors (69301).

2704729 is an equidigital number, since it uses as much as digits as its factorization.

2704729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2704729 is about 1644.6060318508. The cubic root of 2704729 is about 139.3289141602.

It can be divided in two parts, 2704 and 729, that multiplied together give a square (1971216 = 1404²).

The spelling of 2704729 in words is "two million, seven hundred four thousand, seven hundred twenty-nine".