49705 has 4 divisors (see below), whose sum is σ = 59652. Its totient is φ = 39760.

The previous prime is 49697. The next prime is 49711. The reversal of 49705 is 50794.

49705 is nontrivially palindromic in base 9.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5184 + 44521 = 72^2 + 211^2 .

It is not a de Polignac number, because 49705 - 2³ = 49697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4966 + ... + 4975.

It is an arithmetic number, because the mean of its divisors is an integer number (14913).

2⁴⁹⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

49705 is a deficient number, since it is larger than the sum of its proper divisors (9947).

49705 is an equidigital number, since it uses as much as digits as its factorization.

49705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 49705 is about 222.9461818467. The cubic root of 49705 is about 36.7677194079.

Subtracting 49705 from its reverse (50794), we obtain a square (1089 = 33²).

The spelling of 49705 in words is "forty-nine thousand, seven hundred five".