671276048 has 20 divisors (see below), whose sum is σ = 1312110588. Its totient is φ = 332666880.

The previous prime is 671276017. The next prime is 671276063. The reversal of 671276048 is 840672176.

It can be written as a sum of positive squares in 2 ways, for example, as 358269184 + 313006864 = 18928^2 + 17692^2 .

It is a super-2 number, since 2×671276048² = 901223065236996608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671275996 and 671276014.

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, 183833 + ... + 187448.

Almost surely, 2^671276048 is an apocalyptic number.

It is an amenable number.

671276048 is a deficient number, since it is larger than the sum of its proper divisors (640834540).

671276048 is a wasteful number, since it uses less digits than its factorization.

671276048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371402 (or 371396 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 671276048 is about 25908.9955034926. The cubic root of 671276048 is about 875.5891751124.

The spelling of 671276048 in words is "six hundred seventy-one million, two hundred seventy-six thousand, forty-eight".