5728730 has 16 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 1964112.

The previous prime is 5728729. The next prime is 5728733. The reversal of 5728730 is 378275.

It is not an unprimeable number, because it can be changed into a prime (5728733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40850 + ... + 40989.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^5728730 is an apocalyptic number.

5728730 is an abundant number, since it is smaller than the sum of its proper divisors (6056230).

5728730 is a wasteful number, since it uses less digits than its factorization.

5728730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81853.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 5728730 is about 2393.4765509610. The cubic root of 5728730 is about 178.9312179165.

It can be divided in two parts, 5 and 728730, that multiplied together give a triangular number (3643650 = T₂₆₉₉).

The spelling of 5728730 in words is "five million, seven hundred twenty-eight thousand, seven hundred thirty".