49718 has 4 divisors (see below), whose sum is σ = 74580. Its totient is φ = 24858.

The previous prime is 49711. The next prime is 49727. The reversal of 49718 is 81794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81794 = 2 ⋅40897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49711) 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, 12428 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (18645).

2⁴⁹⁷¹⁸ is an apocalyptic number.

49718 is a deficient number, since it is larger than the sum of its proper divisors (24862).

49718 is a wasteful number, since it uses less digits than its factorization.

49718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24861.

The product of its digits is 2016, while the sum is 29.

The square root of 49718 is about 222.9753349588. The cubic root of 49718 is about 36.7709245763.

It can be divided in two parts, 497 and 18, that added together give a palindrome (515).

The spelling of 49718 in words is "forty-nine thousand, seven hundred eighteen".