7066071321 has 8 divisors (see below), whose sum is σ = 9621884544. Its totient is φ = 4610486160.

The previous prime is 7066071289. The next prime is 7066071347. The reversal of 7066071321 is 1231706607.

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

It is not a de Polignac number, because 7066071321 - 2⁵ = 7066071289 is a prime.

It is a super-3 number, since 3×7066071321³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7066076321) 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, 25056850 + ... + 25057131.

It is an arithmetic number, because the mean of its divisors is an integer number (1202735568).

Almost surely, 2^7066071321 is an apocalyptic number.

It is an amenable number.

7066071321 is a deficient number, since it is larger than the sum of its proper divisors (2555813223).

7066071321 is a wasteful number, since it uses less digits than its factorization.

7066071321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50114031.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 7066071321 is about 84059.9269628519. The cubic root of 7066071321 is about 1918.9309117143.

Adding to 7066071321 its reverse (1231706607), we get a palindrome (8297777928).

The spelling of 7066071321 in words is "seven billion, sixty-six million, seventy-one thousand, three hundred twenty-one".