5372575721 has 4 divisors (see below), whose sum is σ = 5383608192. Its totient is φ = 5361543252.

The previous prime is 5372575711. The next prime is 5372575771. The reversal of 5372575721 is 1275752735.

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 an emirpimes, since its reverse is a distinct semiprime: 1275752735 = 5 ⋅255150547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5372575721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5372575711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5515505 + ... + 5516478.

It is an arithmetic number, because the mean of its divisors is an integer number (1345902048).

Almost surely, 2^5372575721 is an apocalyptic number.

It is an amenable number.

5372575721 is a deficient number, since it is larger than the sum of its proper divisors (11032471).

5372575721 is a wasteful number, since it uses less digits than its factorization.

5372575721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032470.

The product of its digits is 514500, while the sum is 44.

The square root of 5372575721 is about 73297.8561828380. The cubic root of 5372575721 is about 1751.4356351062.

The spelling of 5372575721 in words is "five billion, three hundred seventy-two million, five hundred seventy-five thousand, seven hundred twenty-one".