671073867 has 12 divisors (see below), whose sum is σ = 991872024. Its totient is φ = 436978080.

The previous prime is 671073859. The next prime is 671073883. The reversal of 671073867 is 768370176.

It is a happy number.

It is not a de Polignac number, because 671073867 - 2³ = 671073859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671073817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 866634 + ... + 867407.

It is an arithmetic number, because the mean of its divisors is an integer number (82656002).

Almost surely, 2^671073867 is an apocalyptic number.

671073867 is a deficient number, since it is larger than the sum of its proper divisors (320798157).

671073867 is a wasteful number, since it uses less digits than its factorization.

671073867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734090 (or 1734087 counting only the distinct ones).

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

The square root of 671073867 is about 25905.0934566930. The cubic root of 671073867 is about 875.5012603261.

The spelling of 671073867 in words is "six hundred seventy-one million, seventy-three thousand, eight hundred sixty-seven".