671228067 has 16 divisors (see below), whose sum is σ = 983036160. Its totient is φ = 405500832.

The previous prime is 671228059. The next prime is 671228087. The reversal of 671228067 is 760822176.

It is not a de Polignac number, because 671228067 - 2³ = 671228059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671228087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254688 + ... + 257309.

It is an arithmetic number, because the mean of its divisors is an integer number (61439760).

Almost surely, 2^671228067 is an apocalyptic number.

671228067 is a deficient number, since it is larger than the sum of its proper divisors (311808093).

671228067 is a wasteful number, since it uses less digits than its factorization.

671228067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512042.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 671228067 is about 25908.0695344134. The cubic root of 671228067 is about 875.5683130317.

The spelling of 671228067 in words is "six hundred seventy-one million, two hundred twenty-eight thousand, sixty-seven".