671480901 has 64 divisors (see below), whose sum is σ = 1242931200. Its totient is φ = 348815808.

The previous prime is 671480897. The next prime is 671480911. The reversal of 671480901 is 109084176.

It is not a de Polignac number, because 671480901 - 2² = 671480897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671480911) 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 63 ways as a sum of consecutive naturals, for example, 162580 + ... + 166658.

It is an arithmetic number, because the mean of its divisors is an integer number (19420800).

Almost surely, 2^671480901 is an apocalyptic number.

It is an amenable number.

671480901 is a deficient number, since it is larger than the sum of its proper divisors (571450299).

671480901 is a wasteful number, since it uses less digits than its factorization.

671480901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 671480901 is about 25912.9485199967. The cubic root of 671480901 is about 875.6782337677.

The spelling of 671480901 in words is "six hundred seventy-one million, four hundred eighty thousand, nine hundred one".