6666674074 has 16 divisors (see below), whose sum is σ = 10104370920. Its totient is φ = 3298585600.

The previous prime is 6666674057. The next prime is 6666674099. The reversal of 6666674074 is 4704766666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4586675625 + 2079998449 = 67725^2 + 45607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427242 + ... + 442570.

Almost surely, 2^6666674074 is an apocalyptic number.

6666674074 is a deficient number, since it is larger than the sum of its proper divisors (3437696846).

6666674074 is a wasteful number, since it uses less digits than its factorization.

6666674074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The square root of 6666674074 is about 81649.7034532276. The cubic root of 6666674074 is about 1882.0727548186.

The spelling of 6666674074 in words is "six billion, six hundred sixty-six million, six hundred seventy-four thousand, seventy-four".