3320574721 has 4 divisors (see below), whose sum is σ = 3349960452. Its totient is φ = 3291188992.

The previous prime is 3320574701. The next prime is 3320574737. The reversal of 3320574721 is 1274750233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1494209025 + 1826365696 = 38655^2 + 42736^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320574721 - 2²⁷ = 3186356993 is a prime.

It is a super-2 number, since 2×3320574721² = 22052432955488455682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320574701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14692696 + ... + 14692921.

It is an arithmetic number, because the mean of its divisors is an integer number (837490113).

Almost surely, 2^3320574721 is an apocalyptic number.

It is an amenable number.

3320574721 is a deficient number, since it is larger than the sum of its proper divisors (29385731).

3320574721 is a wasteful number, since it uses less digits than its factorization.

3320574721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29385730.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 3320574721 is about 57624.4281620217. The cubic root of 3320574721 is about 1491.8932618298.

The spelling of 3320574721 in words is "three billion, three hundred twenty million, five hundred seventy-four thousand, seven hundred twenty-one".