5073606721 has 4 divisors (see below), whose sum is σ = 5074633152. Its totient is φ = 5072580292.

The previous prime is 5073606697. The next prime is 5073606743. The reversal of 5073606721 is 1276063705.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5073606721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5073606751) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 505765 + ... + 515698.

It is an arithmetic number, because the mean of its divisors is an integer number (1268658288).

Almost surely, 2^5073606721 is an apocalyptic number.

It is an amenable number.

5073606721 is a deficient number, since it is larger than the sum of its proper divisors (1026431).

5073606721 is a wasteful number, since it uses less digits than its factorization.

5073606721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026430.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 5073606721 is about 71229.2546710970. The cubic root of 5073606721 is about 1718.3261524901.

The spelling of 5073606721 in words is "five billion, seventy-three million, six hundred six thousand, seven hundred twenty-one".