667368741 has 32 divisors (see below), whose sum is σ = 993435520. Its totient is φ = 395829504.

The previous prime is 667368727. The next prime is 667368761. The reversal of 667368741 is 147863766.

It is not a de Polignac number, because 667368741 - 2¹⁸ = 667106597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667368761) 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 31 ways as a sum of consecutive naturals, for example, 155166 + ... + 159408.

It is an arithmetic number, because the mean of its divisors is an integer number (31044860).

Almost surely, 2^667368741 is an apocalyptic number.

It is an amenable number.

667368741 is a deficient number, since it is larger than the sum of its proper divisors (326066779).

667368741 is a wasteful number, since it uses less digits than its factorization.

667368741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405.

The product of its digits is 1016064, while the sum is 48.

The square root of 667368741 is about 25833.4810081801. The cubic root of 667368741 is about 873.8870163617.

The spelling of 667368741 in words is "six hundred sixty-seven million, three hundred sixty-eight thousand, seven hundred forty-one".