671070449 has 8 divisors (see below), whose sum is σ = 769708608. Its totient is φ = 573125040.

The previous prime is 671070437. The next prime is 671070473. The reversal of 671070449 is 944070176.

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

It is a cyclic number.

It is not a de Polignac number, because 671070449 - 2²⁸ = 402634993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671070409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171107 + ... + 174984.

It is an arithmetic number, because the mean of its divisors is an integer number (96213576).

Almost surely, 2^671070449 is an apocalyptic number.

It is an amenable number.

671070449 is a deficient number, since it is larger than the sum of its proper divisors (98638159).

671070449 is a wasteful number, since it uses less digits than its factorization.

671070449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346375.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 671070449 is about 25905.0274850269. The cubic root of 671070449 is about 875.4997739183.

The spelling of 671070449 in words is "six hundred seventy-one million, seventy thousand, four hundred forty-nine".