5721366 has 16 divisors (see below), whose sum is σ = 13077504. Its totient is φ = 1634664.

The previous prime is 5721349. The next prime is 5721371. The reversal of 5721366 is 6631275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68070 + ... + 68153.

It is an arithmetic number, because the mean of its divisors is an integer number (817344).

Almost surely, 2^5721366 is an apocalyptic number.

5721366 is an abundant number, since it is smaller than the sum of its proper divisors (7356138).

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

5721366 is a wasteful number, since it uses less digits than its factorization.

5721366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136235.

The product of its digits is 7560, while the sum is 30.

The square root of 5721366 is about 2391.9377082190. The cubic root of 5721366 is about 178.8545159551.

Subtracting 5721366 from its reverse (6631275), we obtain a palindrome (909909).

The spelling of 5721366 in words is "five million, seven hundred twenty-one thousand, three hundred sixty-six".