5721810 has 32 divisors (see below), whose sum is σ = 13893120. Its totient is φ = 1507968.

The previous prime is 5721803. The next prime is 5721817. The reversal of 5721810 is 181275.

It is an interprime number because it is at equal distance from previous prime (5721803) and next prime (5721817).

It is a super-2 number, since 2×5721810² = 65478219352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5721817) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1599 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (434160).

Almost surely, 2^5721810 is an apocalyptic number.

5721810 is an abundant number, since it is smaller than the sum of its proper divisors (8171310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5721810 is a wasteful number, since it uses less digits than its factorization.

5721810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 5721810 is about 2392.0305182000. The cubic root of 5721810 is about 178.8591424348.

The spelling of 5721810 in words is "five million, seven hundred twenty-one thousand, eight hundred ten".