671467071 has 16 divisors (see below), whose sum is σ = 1034131968. Its totient is φ = 383011200.

The previous prime is 671467063. The next prime is 671467079. The reversal of 671467071 is 170764176.

It is an interprime number because it is at equal distance from previous prime (671467063) and next prime (671467079).

It is not a de Polignac number, because 671467071 - 2³ = 671467063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671467079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597895 + ... + 599016.

It is an arithmetic number, because the mean of its divisors is an integer number (64633248).

Almost surely, 2^671467071 is an apocalyptic number.

671467071 is a deficient number, since it is larger than the sum of its proper divisors (362664897).

671467071 is a wasteful number, since it uses less digits than its factorization.

671467071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196942.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 671467071 is about 25912.6816636179. The cubic root of 671467071 is about 875.6722218255.

The spelling of 671467071 in words is "six hundred seventy-one million, four hundred sixty-seven thousand, seventy-one".