671472297 has 6 divisors (see below), whose sum is σ = 969904442. Its totient is φ = 447648192.

The previous prime is 671472289. The next prime is 671472299. The reversal of 671472297 is 792274176.

It can be written as a sum of positive squares in only one way, i.e., 669981456 + 1490841 = 25884^2 + 1221^2 .

It is not a de Polignac number, because 671472297 - 2³ = 671472289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671472299) 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 5 ways as a sum of consecutive naturals, for example, 37304008 + ... + 37304025.

Almost surely, 2^671472297 is an apocalyptic number.

It is an amenable number.

671472297 is a deficient number, since it is larger than the sum of its proper divisors (298432145).

671472297 is a wasteful number, since it uses less digits than its factorization.

671472297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74608039 (or 74608036 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 671472297 is about 25912.7825020780. The cubic root of 671472297 is about 875.6744935930.

The spelling of 671472297 in words is "six hundred seventy-one million, four hundred seventy-two thousand, two hundred ninety-seven".