671171426 has 8 divisors (see below), whose sum is σ = 1014442704. Its totient is φ = 333023860.

The previous prime is 671171363. The next prime is 671171437. The reversal of 671171426 is 624171176.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1280600 + ... + 1281123.

It is an arithmetic number, because the mean of its divisors is an integer number (126805338).

Almost surely, 2^671171426 is an apocalyptic number.

671171426 is a deficient number, since it is larger than the sum of its proper divisors (343271278).

671171426 is a wasteful number, since it uses less digits than its factorization.

671171426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561856.

The product of its digits is 14112, while the sum is 35.

The square root of 671171426 is about 25906.9763963300. The cubic root of 671171426 is about 875.5436843140.

The spelling of 671171426 in words is "six hundred seventy-one million, one hundred seventy-one thousand, four hundred twenty-six".