49724028 has 36 divisors (see below), whose sum is σ = 127757448. Its totient is φ = 16302240.

The previous prime is 49724027. The next prime is 49724047. The reversal of 49724028 is 82042794.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 49723983 and 49724001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49724027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9126 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (3548818).

Almost surely, 2^49724028 is an apocalyptic number.

It is an amenable number.

49724028 is an abundant number, since it is smaller than the sum of its proper divisors (78033420).

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

49724028 is a wasteful number, since it uses less digits than its factorization.

49724028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22714 (or 22709 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 49724028 is about 7051.5266432171. The cubic root of 49724028 is about 367.7241059863.

The spelling of 49724028 in words is "forty-nine million, seven hundred twenty-four thousand, twenty-eight".