2730129 has 16 divisors (see below), whose sum is σ = 3866880. Its totient is φ = 1708560.

The previous prime is 2730121. The next prime is 2730157. The reversal of 2730129 is 9210372.

It is not a de Polignac number, because 2730129 - 2³ = 2730121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2730099 and 2730108.

It is not an unprimeable number, because it can be changed into a prime (2730121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11914 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (241680).

2^2730129 is an apocalyptic number.

It is an amenable number.

2730129 is a deficient number, since it is larger than the sum of its proper divisors (1136751).

2730129 is a wasteful number, since it uses less digits than its factorization.

2730129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2730129 is about 1652.3102009005. The cubic root of 2730129 is about 139.7637000233.

The spelling of 2730129 in words is "two million, seven hundred thirty thousand, one hundred twenty-nine".