671377274 has 16 divisors (see below), whose sum is σ = 1060620000. Its totient is φ = 317855664.

The previous prime is 671377271. The next prime is 671377279. The reversal of 671377274 is 472773176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (671377271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101249 + ... + 107675.

It is an arithmetic number, because the mean of its divisors is an integer number (66288750).

Almost surely, 2^671377274 is an apocalyptic number.

671377274 is a deficient number, since it is larger than the sum of its proper divisors (389242726).

671377274 is a wasteful number, since it uses less digits than its factorization.

671377274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197.

The product of its digits is 345744, while the sum is 44.

The square root of 671377274 is about 25910.9489212572. The cubic root of 671377274 is about 875.6331847938.

The spelling of 671377274 in words is "six hundred seventy-one million, three hundred seventy-seven thousand, two hundred seventy-four".