2872730 has 16 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 984912.

The previous prime is 2872729. The next prime is 2872741. The reversal of 2872730 is 372782.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2872693 and 2872702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20450 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (369360).

2^2872730 is an apocalyptic number.

2872730 is an abundant number, since it is smaller than the sum of its proper divisors (3037030).

2872730 is a wasteful number, since it uses less digits than its factorization.

2872730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41053.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2872730 is about 1694.9129771171. The cubic root of 2872730 is about 142.1559154980.

The spelling of 2872730 in words is "two million, eight hundred seventy-two thousand, seven hundred thirty".