50073728 has 64 divisors (see below), whose sum is σ = 104458200. Its totient is φ = 23887872.

The previous prime is 50073719. The next prime is 50073733. The reversal of 50073728 is 82737005.

It can be written as a sum of positive squares in 4 ways, for example, as 49674304 + 399424 = 7048^2 + 632^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 50073694 and 50073703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459338 + ... + 459446.

Almost surely, 2^50073728 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 50073728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52229100).

50073728 is an abundant number, since it is smaller than the sum of its proper divisors (54384472).

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

50073728 is a wasteful number, since it uses less digits than its factorization.

50073728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 50073728 is about 7076.2792483056. The cubic root of 50073728 is about 368.5841384499.

The spelling of 50073728 in words is "fifty million, seventy-three thousand, seven hundred twenty-eight".