61727 has 4 divisors (see below), whose sum is σ = 65376. Its totient is φ = 58080.

The previous prime is 61723. The next prime is 61729. The reversal of 61727 is 72716.

It is a happy number.

61727 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is not a de Polignac number, because 61727 - 2² = 61723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61723) 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, 1799 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (16344).

2⁶¹⁷²⁷ is an apocalyptic number.

61727 is a deficient number, since it is larger than the sum of its proper divisors (3649).

61727 is a wasteful number, since it uses less digits than its factorization.

61727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648.

The product of its digits is 588, while the sum is 23.

The square root of 61727 is about 248.4491899765. The cubic root of 61727 is about 39.5207389892.

The spelling of 61727 in words is "sixty-one thousand, seven hundred twenty-seven".