61708 has 6 divisors (see below), whose sum is σ = 107996. Its totient is φ = 30852.

The previous prime is 61703. The next prime is 61717. The reversal of 61708 is 80716.

It is not an unprimeable number, because it can be changed into a prime (61703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7710 + ... + 7717.

2⁶¹⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

61708 is a deficient number, since it is larger than the sum of its proper divisors (46288).

61708 is a wasteful number, since it uses less digits than its factorization.

61708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15431 (or 15429 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 61708 is about 248.4109498392. The cubic root of 61708 is about 39.5166836536.

The spelling of 61708 in words is "sixty-one thousand, seven hundred eight".