667770341 has 8 divisors (see below), whose sum is σ = 763690560. Its totient is φ = 571981248.

The previous prime is 667770329. The next prime is 667770343. The reversal of 667770341 is 143077766.

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 667770341 - 2¹⁸ = 667508197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667770343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21611 + ... + 42456.

It is an arithmetic number, because the mean of its divisors is an integer number (95461320).

Almost surely, 2^667770341 is an apocalyptic number.

It is an amenable number.

667770341 is a deficient number, since it is larger than the sum of its proper divisors (95920219).

667770341 is a wasteful number, since it uses less digits than its factorization.

667770341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65563.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 667770341 is about 25841.2526979634. The cubic root of 667770341 is about 874.0622731228.

The spelling of 667770341 in words is "six hundred sixty-seven million, seven hundred seventy thousand, three hundred forty-one".