671364992 has 32 divisors (see below), whose sum is σ = 1362734280. Its totient is φ = 329345536.

The previous prime is 671364961. The next prime is 671365001. The reversal of 671364992 is 299463176.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 42698 + ... + 56265.

Almost surely, 2^671364992 is an apocalyptic number.

It is an amenable number.

671364992 is an abundant number, since it is smaller than the sum of its proper divisors (691369288).

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

671364992 is an equidigital number, since it uses as much as digits as its factorization.

671364992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99030 (or 99018 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 671364992 is about 25910.7119161169. The cubic root of 671364992 is about 875.6278452266.

The spelling of 671364992 in words is "six hundred seventy-one million, three hundred sixty-four thousand, nine hundred ninety-two".