61693 has 8 divisors (see below), whose sum is σ = 69120. Its totient is φ = 54720.

The previous prime is 61687. The next prime is 61703. The reversal of 61693 is 39616.

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

It is a de Polignac number, because none of the positive numbers 2^k-61693 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 (61603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 418.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2⁶¹⁶⁹³ is an apocalyptic number.

It is an amenable number.

61693 is a deficient number, since it is larger than the sum of its proper divisors (7427).

61693 is a wasteful number, since it uses less digits than its factorization.

61693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

The product of its digits is 972, while the sum is 25.

The square root of 61693 is about 248.3807560984. The cubic root of 61693 is about 39.5134814848.

The spelling of 61693 in words is "sixty-one thousand, six hundred ninety-three".