667403674 has 8 divisors (see below), whose sum is σ = 1144120608. Its totient is φ = 286030140.

The previous prime is 667403647. The next prime is 667403677. The reversal of 667403674 is 476304766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 667403674.

It is not an unprimeable number, because it can be changed into a prime (667403677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23835832 + ... + 23835859.

It is an arithmetic number, because the mean of its divisors is an integer number (143015076).

Almost surely, 2^667403674 is an apocalyptic number.

667403674 is a deficient number, since it is larger than the sum of its proper divisors (476716934).

667403674 is a wasteful number, since it uses less digits than its factorization.

667403674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47671700.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 667403674 is about 25834.1571180482. The cubic root of 667403674 is about 873.9022637857.

The spelling of 667403674 in words is "six hundred sixty-seven million, four hundred three thousand, six hundred seventy-four".