667941373 has 16 divisors (see below), whose sum is σ = 790352640. Its totient is φ = 557555200.

The previous prime is 667941361. The next prime is 667941377. The reversal of 667941373 is 373149766.

It is a cyclic number.

It is not a de Polignac number, because 667941373 - 2¹³ = 667933181 is a prime.

It is a super-2 number, since 2×667941373² = 892291355530250258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667941377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35893 + ... + 51226.

It is an arithmetic number, because the mean of its divisors is an integer number (49397040).

Almost surely, 2^667941373 is an apocalyptic number.

It is an amenable number.

667941373 is a deficient number, since it is larger than the sum of its proper divisors (122411267).

667941373 is a wasteful number, since it uses less digits than its factorization.

667941373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87188.

The product of its digits is 571536, while the sum is 46.

The square root of 667941373 is about 25844.5617683876. The cubic root of 667941373 is about 874.1368895233.

The spelling of 667941373 in words is "six hundred sixty-seven million, nine hundred forty-one thousand, three hundred seventy-three".