667738603 has 8 divisors (see below), whose sum is σ = 803294720. Its totient is φ = 542223720.

The previous prime is 667738579. The next prime is 667738607. The reversal of 667738603 is 306837766.

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 667738603 - 2⁹ = 667738091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667738607) 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, 2510163 + ... + 2510428.

It is an arithmetic number, because the mean of its divisors is an integer number (100411840).

Almost surely, 2^667738603 is an apocalyptic number.

667738603 is a deficient number, since it is larger than the sum of its proper divisors (135556117).

667738603 is a wasteful number, since it uses less digits than its factorization.

667738603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020617.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 667738603 is about 25840.6385950502. The cubic root of 667738603 is about 874.0484253340.

The spelling of 667738603 in words is "six hundred sixty-seven million, seven hundred thirty-eight thousand, six hundred three".