5726641 has 4 divisors (see below), whose sum is σ = 5743972. Its totient is φ = 5709312.

The previous prime is 5726639. The next prime is 5726663. The reversal of 5726641 is 1466275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 4579600 = 1071^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 5726641 - 2¹ = 5726639 is a prime.

It is a Duffinian number.

5726641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5726341) 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, 8160 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (1435993).

Almost surely, 2^5726641 is an apocalyptic number.

It is an amenable number.

5726641 is a deficient number, since it is larger than the sum of its proper divisors (17331).

5726641 is a wasteful number, since it uses less digits than its factorization.

5726641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17330.

The product of its digits is 10080, while the sum is 31.

The square root of 5726641 is about 2393.0401166717. The cubic root of 5726641 is about 178.9094659891.

The spelling of 5726641 in words is "five million, seven hundred twenty-six thousand, six hundred forty-one".