673677667 has 8 divisors (see below), whose sum is σ = 725767280. Its totient is φ = 621626400.

The previous prime is 673677617. The next prime is 673677679. The reversal of 673677667 is 766776376.

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 673677667 - 2²⁷ = 539459939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673677617) 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, 34417 + ... + 50317.

It is an arithmetic number, because the mean of its divisors is an integer number (90720910).

Almost surely, 2^673677667 is an apocalyptic number.

673677667 is a deficient number, since it is larger than the sum of its proper divisors (52089613).

673677667 is a wasteful number, since it uses less digits than its factorization.

673677667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19173.

The product of its digits is 9335088, while the sum is 55.

The square root of 673677667 is about 25955.3013274745. The cubic root of 673677667 is about 876.6321284630.

The spelling of 673677667 in words is "six hundred seventy-three million, six hundred seventy-seven thousand, six hundred sixty-seven".