7942380066 has 24 divisors (see below), whose sum is σ = 17214014064. Its totient is φ = 2646610200.

The previous prime is 7942380029. The next prime is 7942380073. The reversal of 7942380066 is 6600832497.

It is a super-2 number, since 2×7942380066² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11860 + ... + 126591.

It is an arithmetic number, because the mean of its divisors is an integer number (717250586).

Almost surely, 2^7942380066 is an apocalyptic number.

7942380066 is an abundant number, since it is smaller than the sum of its proper divisors (9271633998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7942380066 is a wasteful number, since it uses less digits than its factorization.

7942380066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141646 (or 141643 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 7942380066 is about 89120.0317885940. The cubic root of 7942380066 is about 1995.1867645078.

The spelling of 7942380066 in words is "seven billion, nine hundred forty-two million, three hundred eighty thousand, sixty-six".