671571336 has 32 divisors (see below), whose sum is σ = 1679587200. Its totient is φ = 223769280.

The previous prime is 671571293. The next prime is 671571367. The reversal of 671571336 is 633175176.

It is a junction number, because it is equal to n+sod(n) for n = 671571294 and 671571303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93025 + ... + 99983.

It is an arithmetic number, because the mean of its divisors is an integer number (52487100).

Almost surely, 2^671571336 is an apocalyptic number.

It is an amenable number.

671571336 is an abundant number, since it is smaller than the sum of its proper divisors (1008015864).

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

671571336 is a wasteful number, since it uses less digits than its factorization.

671571336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10989 (or 10985 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 671571336 is about 25914.6934382794. The cubic root of 671571336 is about 875.7175440971.

The spelling of 671571336 in words is "six hundred seventy-one million, five hundred seventy-one thousand, three hundred thirty-six".