7066843745 has 16 divisors (see below), whose sum is σ = 9162310080. Its totient is φ = 5201578944.

The previous prime is 7066843741. The next prime is 7066843757. The reversal of 7066843745 is 5473486607.

It is a cyclic number.

It is not a de Polignac number, because 7066843745 - 2² = 7066843741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7066843693 and 7066843702.

It is not an unprimeable number, because it can be changed into a prime (7066843741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157115 + ... + 197024.

It is an arithmetic number, because the mean of its divisors is an integer number (572644380).

Almost surely, 2^7066843745 is an apocalyptic number.

It is an amenable number.

7066843745 is a deficient number, since it is larger than the sum of its proper divisors (2095466335).

7066843745 is a wasteful number, since it uses less digits than its factorization.

7066843745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354464.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The square root of 7066843745 is about 84064.5213214231. The cubic root of 7066843745 is about 1919.0008314862. Note that the first 3 decimals are identical.

The spelling of 7066843745 in words is "seven billion, sixty-six million, eight hundred forty-three thousand, seven hundred forty-five".