673001271 has 8 divisors (see below), whose sum is σ = 997038960. Its totient is φ = 448667496.

The previous prime is 673001249. The next prime is 673001293. The reversal of 673001271 is 172100376.

It is an interprime number because it is at equal distance from previous prime (673001249) and next prime (673001293).

It is not a de Polignac number, because 673001271 - 2⁵ = 673001239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 24925973 = 673001271 / (6 + 7 + 3 + 0 + 0 + 1 + 2 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673001221) 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, 12462960 + ... + 12463013.

It is an arithmetic number, because the mean of its divisors is an integer number (124629870).

Almost surely, 2^673001271 is an apocalyptic number.

673001271 is a deficient number, since it is larger than the sum of its proper divisors (324037689).

673001271 is a wasteful number, since it uses less digits than its factorization.

673001271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24925982 (or 24925976 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 673001271 is about 25942.2680388589. The cubic root of 673001271 is about 876.3386404184.

The spelling of 673001271 in words is "six hundred seventy-three million, one thousand, two hundred seventy-one".