5727661 has 8 divisors (see below), whose sum is σ = 5866560. Its totient is φ = 5590272.

The previous prime is 5727649. The next prime is 5727671. The reversal of 5727661 is 1667275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5727661 - 2⁹ = 5727149 is a prime.

It is a super-2 number, since 2×5727661² = 65612201061842, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5727671) 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, 11136 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (733320).

Almost surely, 2^5727661 is an apocalyptic number.

It is an amenable number.

5727661 is a deficient number, since it is larger than the sum of its proper divisors (138899).

5727661 is a wasteful number, since it uses less digits than its factorization.

5727661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its digits is 17640, while the sum is 34.

The square root of 5727661 is about 2393.2532252146. The cubic root of 5727661 is about 178.9200875048.

The spelling of 5727661 in words is "five million, seven hundred twenty-seven thousand, six hundred sixty-one".