49720392 has 60 divisors (see below), whose sum is σ = 139767705. Its totient is φ = 16513632.

The previous prime is 49720361. The next prime is 49720417. The reversal of 49720392 is 29302794.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

49720392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43639236 + 6081156 = 6606^2 + 2466^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4986.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 179358 + ... + 179634.

Almost surely, 2^49720392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49720392

49720392 is an abundant number, since it is smaller than the sum of its proper divisors (90047313).

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

49720392 is an equidigital number, since it uses as much as digits as its factorization.

49720392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 49720392 is about 7051.2688219923. The cubic root of 49720392 is about 367.7151426642.

The spelling of 49720392 in words is "forty-nine million, seven hundred twenty thousand, three hundred ninety-two".