667505003 has 8 divisors (see below), whose sum is σ = 728590896. Its totient is φ = 606486400.

The previous prime is 667504967. The next prime is 667505023. The reversal of 667505003 is 300505766.

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 667505003 - 2¹² = 667500907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667505023) 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, 5183 + ... + 36903.

It is an arithmetic number, because the mean of its divisors is an integer number (91073862).

Almost surely, 2^667505003 is an apocalyptic number.

667505003 is a deficient number, since it is larger than the sum of its proper divisors (61085893).

667505003 is a wasteful number, since it uses less digits than its factorization.

667505003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33645.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 667505003 is about 25836.1181875296. The cubic root of 667505003 is about 873.9464884755.

The spelling of 667505003 in words is "six hundred sixty-seven million, five hundred five thousand, three".