672717168 has 30 divisors (see below), whose sum is σ = 1882674144. Its totient is φ = 224239008.

The previous prime is 672717167. The next prime is 672717169. The reversal of 672717168 is 861717276.

It is an interprime number because it is at equal distance from previous prime (672717167) and next prime (672717169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672717161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2335680 + ... + 2335967.

Almost surely, 2^672717168 is an apocalyptic number.

It is an amenable number.

672717168 is an abundant number, since it is smaller than the sum of its proper divisors (1209956976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672717168 is a wasteful number, since it uses less digits than its factorization.

672717168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671661 (or 4671652 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 672717168 is about 25936.7917831022. The cubic root of 672717168 is about 876.2153095574.

The spelling of 672717168 in words is "six hundred seventy-two million, seven hundred seventeen thousand, one hundred sixty-eight".