667677241 has 8 divisors (see below), whose sum is σ = 832428864. Its totient is φ = 520267920.

The previous prime is 667677223. The next prime is 667677277. The reversal of 667677241 is 142776766.

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 667677241 - 2¹⁵ = 667644473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667677191 and 667677200.

It is not an unprimeable number, because it can be changed into a prime (667677221) 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, 4335490 + ... + 4335643.

It is an arithmetic number, because the mean of its divisors is an integer number (104053608).

Almost surely, 2^667677241 is an apocalyptic number.

It is an amenable number.

667677241 is a deficient number, since it is larger than the sum of its proper divisors (164751623).

667677241 is a wasteful number, since it uses less digits than its factorization.

667677241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671151.

The product of its digits is 592704, while the sum is 46.

The square root of 667677241 is about 25839.4512519132. The cubic root of 667677241 is about 874.0216508835.

The spelling of 667677241 in words is "six hundred sixty-seven million, six hundred seventy-seven thousand, two hundred forty-one".