49668713 has 4 divisors (see below), whose sum is σ = 52590420. Its totient is φ = 46747008.

The previous prime is 49668691. The next prime is 49668721. The reversal of 49668713 is 31786694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31786694 = 2 ⋅15893347.

It can be written as a sum of positive squares in 2 ways, for example, as 17372224 + 32296489 = 4168^2 + 5683^2 .

It is not a de Polignac number, because 49668713 - 2⁶ = 49668649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49668733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460828 + ... + 1460861.

It is an arithmetic number, because the mean of its divisors is an integer number (13147605).

Almost surely, 2^49668713 is an apocalyptic number.

It is an amenable number.

49668713 is a deficient number, since it is larger than the sum of its proper divisors (2921707).

49668713 is a wasteful number, since it uses less digits than its factorization.

49668713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921706.

The product of its digits is 217728, while the sum is 44.

The square root of 49668713 is about 7047.6033514947. The cubic root of 49668713 is about 367.5876983849.

The spelling of 49668713 in words is "forty-nine million, six hundred sixty-eight thousand, seven hundred thirteen".