671165474 has 32 divisors (see below), whose sum is σ = 1238924160. Its totient is φ = 266128128.

The previous prime is 671165471. The next prime is 671165477. The reversal of 671165474 is 474561176.

It is an interprime number because it is at equal distance from previous prime (671165471) and next prime (671165477).

It is not an unprimeable number, because it can be changed into a prime (671165471) 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, 9857 + ... + 37940.

It is an arithmetic number, because the mean of its divisors is an integer number (38716380).

Almost surely, 2^671165474 is an apocalyptic number.

671165474 is a deficient number, since it is larger than the sum of its proper divisors (567758686).

671165474 is a wasteful number, since it uses less digits than its factorization.

671165474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47882.

The product of its digits is 141120, while the sum is 41.

The square root of 671165474 is about 25906.8615235424. The cubic root of 671165474 is about 875.5410961767.

The spelling of 671165474 in words is "six hundred seventy-one million, one hundred sixty-five thousand, four hundred seventy-four".