667045627 has 8 divisors (see below), whose sum is σ = 685549040. Its totient is φ = 648678240.

The previous prime is 667045607. The next prime is 667045637. The reversal of 667045627 is 726540766.

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

It is a cyclic number.

It is not a de Polignac number, because 667045627 - 2²⁷ = 532827899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667045607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24024 + ... + 43717.

It is an arithmetic number, because the mean of its divisors is an integer number (85693630).

Almost surely, 2^667045627 is an apocalyptic number.

667045627 is a deficient number, since it is larger than the sum of its proper divisors (18503413).

667045627 is a wasteful number, since it uses less digits than its factorization.

667045627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68013.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 667045627 is about 25827.2264674316. The cubic root of 667045627 is about 873.7459595543.

The spelling of 667045627 in words is "six hundred sixty-seven million, forty-five thousand, six hundred twenty-seven".