671400674 has 8 divisors (see below), whose sum is σ = 1150972608. Its totient is φ = 287743140.

The previous prime is 671400673. The next prime is 671400679. The reversal of 671400674 is 476004176.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671400673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23978582 + ... + 23978609.

It is an arithmetic number, because the mean of its divisors is an integer number (143871576).

Almost surely, 2^671400674 is an apocalyptic number.

671400674 is a deficient number, since it is larger than the sum of its proper divisors (479571934).

671400674 is a wasteful number, since it uses less digits than its factorization.

671400674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47957200.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 671400674 is about 25911.4004638885. The cubic root of 671400674 is about 875.6433577022.

The spelling of 671400674 in words is "six hundred seventy-one million, four hundred thousand, six hundred seventy-four".