6667407674 has 4 divisors (see below), whose sum is σ = 10001111514. Its totient is φ = 3333703836.

The previous prime is 6667407641. The next prime is 6667407683. The reversal of 6667407674 is 4767047666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5951042449 + 716365225 = 77143^2 + 26765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666851917 + ... + 1666851920.

Almost surely, 2^6667407674 is an apocalyptic number.

6667407674 is a deficient number, since it is larger than the sum of its proper divisors (3333703840).

6667407674 is a wasteful number, since it uses less digits than its factorization.

6667407674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333703839.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The square root of 6667407674 is about 81654.1956913422. The cubic root of 6667407674 is about 1882.1417866385.

The spelling of 6667407674 in words is "six billion, six hundred sixty-seven million, four hundred seven thousand, six hundred seventy-four".