61700 has 18 divisors (see below), whose sum is σ = 134106. Its totient is φ = 24640.

The previous prime is 61687. The next prime is 61703. The reversal of 61700 is 716.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 196 + 61504 = 14^2 + 248^2 .

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

61700 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209 + ... + 408.

2⁶¹⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

61700 is an abundant number, since it is smaller than the sum of its proper divisors (72406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61700 is a wasteful number, since it uses less digits than its factorization.

61700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 61700 is about 248.3948469675. The cubic root of 61700 is about 39.5149758948.

The spelling of 61700 in words is "sixty-one thousand, seven hundred".