49479723 has 12 divisors (see below), whose sum is σ = 72643168. Its totient is φ = 32445360.

The previous prime is 49479721. The next prime is 49479733. The reversal of 49479723 is 32797494.

It is not a de Polignac number, because 49479723 - 2¹ = 49479721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49479721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44515 + ... + 45612.

Almost surely, 2^49479723 is an apocalyptic number.

49479723 is a deficient number, since it is larger than the sum of its proper divisors (23163445).

49479723 is a wasteful number, since it uses less digits than its factorization.

49479723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90194 (or 90191 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 49479723 is about 7034.1824684891. The cubic root of 49479723 is about 367.1208807209.

The spelling of 49479723 in words is "forty-nine million, four hundred seventy-nine thousand, seven hundred twenty-three".