671368095 has 20 divisors (see below), whose sum is σ = 1203490200. Its totient is φ = 358062768.

The previous prime is 671368081. The next prime is 671368099. The reversal of 671368095 is 590863176.

It is a happy number.

It is not a de Polignac number, because 671368095 - 2⁷ = 671367967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 671368095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671368099) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 828445 + ... + 829254.

It is an arithmetic number, because the mean of its divisors is an integer number (60174510).

Almost surely, 2^671368095 is an apocalyptic number.

671368095 is a deficient number, since it is larger than the sum of its proper divisors (532122105).

671368095 is a wasteful number, since it uses less digits than its factorization.

671368095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657716 (or 1657707 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 671368095 is about 25910.7717947575. The cubic root of 671368095 is about 875.6291942538.

The spelling of 671368095 in words is "six hundred seventy-one million, three hundred sixty-eight thousand, ninety-five".