5737681 has 4 divisors (see below), whose sum is σ = 5753200. Its totient is φ = 5722164.

The previous prime is 5737643. The next prime is 5737703. The reversal of 5737681 is 1867375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5737681 - 2⁹ = 5737169 is a prime.

It is a super-2 number, since 2×5737681² = 65841966515522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5737681.

It is not an unprimeable number, because it can be changed into a prime (5737631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7191 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (1438300).

Almost surely, 2^5737681 is an apocalyptic number.

It is an amenable number.

5737681 is a deficient number, since it is larger than the sum of its proper divisors (15519).

5737681 is a wasteful number, since it uses less digits than its factorization.

5737681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518.

The product of its digits is 35280, while the sum is 37.

The square root of 5737681 is about 2395.3456953016. The cubic root of 5737681 is about 179.0243613005.

The spelling of 5737681 in words is "five million, seven hundred thirty-seven thousand, six hundred eighty-one".