50730073 has 4 divisors (see below), whose sum is σ = 50744320. Its totient is φ = 50715828.

The previous prime is 50730049. The next prime is 50730103. The reversal of 50730073 is 37003705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37003705 = 5 ⋅7400741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50730073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50730013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (12686080).

Almost surely, 2^50730073 is an apocalyptic number.

It is an amenable number.

50730073 is a deficient number, since it is larger than the sum of its proper divisors (14247).

50730073 is an equidigital number, since it uses as much as digits as its factorization.

50730073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14246.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 50730073 is about 7122.5046858531. The cubic root of 50730073 is about 370.1875674261.

Adding to 50730073 its reverse (37003705), we get a palindrome (87733778).

The spelling of 50730073 in words is "fifty million, seven hundred thirty thousand, seventy-three".