6666673740 has 48 divisors (see below), whose sum is σ = 19478285568. Its totient is φ = 1700484544.

The previous prime is 6666673691. The next prime is 6666673753. The reversal of 6666673740 is 473766666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414082 + ... + 2416841.

It is an arithmetic number, because the mean of its divisors is an integer number (405797616).

Almost surely, 2^6666673740 is an apocalyptic number.

6666673740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6666673740 is an abundant number, since it is smaller than the sum of its proper divisors (12811611828).

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

6666673740 is a wasteful number, since it uses less digits than its factorization.

6666673740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830958 (or 4830956 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The square root of 6666673740 is about 81649.7014079047. The cubic root of 6666673740 is about 1882.0727233880.

The spelling of 6666673740 in words is "six billion, six hundred sixty-six million, six hundred seventy-three thousand, seven hundred forty".