671967600 has 60 divisors (see below), whose sum is σ = 2152540056. Its totient is φ = 179191040.

The previous prime is 671967581. The next prime is 671967607. The reversal of 671967600 is 6769176.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671967607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278787 + ... + 281186.

Almost surely, 2^671967600 is an apocalyptic number.

671967600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671967600 is an abundant number, since it is smaller than the sum of its proper divisors (1480572456).

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

671967600 is a wasteful number, since it uses less digits than its factorization.

671967600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559994 (or 559983 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 671967600 is about 25922.3378575313. The cubic root of 671967600 is about 875.8897507255.

The spelling of 671967600 in words is "six hundred seventy-one million, nine hundred sixty-seven thousand, six hundred".