50730 has 32 divisors (see below), whose sum is σ = 129600. Its totient is φ = 12672.

The previous prime is 50723. The next prime is 50741. The reversal of 50730 is 3705.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

50730 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 614.

It is an arithmetic number, because the mean of its divisors is an integer number (4050).

2⁵⁰⁷³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64800).

50730 is an abundant number, since it is smaller than the sum of its proper divisors (78870).

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

50730 is a wasteful number, since it uses less digits than its factorization.

50730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 50730 is about 225.2332124710. The cubic root of 50730 is about 37.0187389861.

Subtracting from 50730 its product of nonzero digits (105), we obtain a 4-th power (50625 = 15⁴).

It can be divided in two parts, 50 and 730, that added together give a triangular number (780 = T₃₉).

The spelling of 50730 in words is "fifty thousand, seven hundred thirty".