5370666721 has 8 divisors (see below), whose sum is σ = 6221986304. Its totient is φ = 4540367520.

The previous prime is 5370666709. The next prime is 5370666779. The reversal of 5370666721 is 1276660735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5370666721 - 2⁷ = 5370666593 is a prime.

It is a super-2 number, since 2×5370666721² = 57688122056113783682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5370667721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254545 + ... + 5255566.

It is an arithmetic number, because the mean of its divisors is an integer number (777748288).

Almost surely, 2^5370666721 is an apocalyptic number.

It is an amenable number.

5370666721 is a deficient number, since it is larger than the sum of its proper divisors (851319583).

5370666721 is a wasteful number, since it uses less digits than its factorization.

5370666721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510191.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 5370666721 is about 73284.8328168933. The cubic root of 5370666721 is about 1751.2281687136.

The spelling of 5370666721 in words is "five billion, three hundred seventy million, six hundred sixty-six thousand, seven hundred twenty-one".