671407368 has 16 divisors (see below), whose sum is σ = 1678518480. Its totient is φ = 223802448.

The previous prime is 671407343. The next prime is 671407379. The reversal of 671407368 is 863704176.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987630 + ... + 13987677.

It is an arithmetic number, because the mean of its divisors is an integer number (104907405).

Almost surely, 2^671407368 is an apocalyptic number.

It is an amenable number.

671407368 is an abundant number, since it is smaller than the sum of its proper divisors (1007111112).

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

671407368 is a wasteful number, since it uses less digits than its factorization.

671407368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27975316 (or 27975312 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 671407368 is about 25911.5296345083. The cubic root of 671407368 is about 875.6462678061.

The spelling of 671407368 in words is "six hundred seventy-one million, four hundred seven thousand, three hundred sixty-eight".