671179012 has 24 divisors (see below), whose sum is σ = 1350405504. Its totient is φ = 285923712.

The previous prime is 671178983. The next prime is 671179027. The reversal of 671179012 is 210971176.

It is a super-2 number, since 2×671179012² = 900962532298592288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67093 + ... + 76444.

It is an arithmetic number, because the mean of its divisors is an integer number (56266896).

Almost surely, 2^671179012 is an apocalyptic number.

It is an amenable number.

671179012 is an abundant number, since it is smaller than the sum of its proper divisors (679226492).

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

671179012 is a wasteful number, since it uses less digits than its factorization.

671179012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143715 (or 143713 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 671179012 is about 25907.1228043563. The cubic root of 671179012 is about 875.5469829493.

The spelling of 671179012 in words is "six hundred seventy-one million, one hundred seventy-nine thousand, twelve".