671806760 has 32 divisors (see below), whose sum is σ = 1514712960. Its totient is φ = 268163136.

The previous prime is 671806739. The next prime is 671806781. The reversal of 671806760 is 67608176.

It is an interprime number because it is at equal distance from previous prime (671806739) and next prime (671806781).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (47334780).

Almost surely, 2^671806760 is an apocalyptic number.

It is an amenable number.

671806760 is an abundant number, since it is smaller than the sum of its proper divisors (842906200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671806760 is a wasteful number, since it uses less digits than its factorization.

671806760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34985 (or 34981 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 671806760 is about 25919.2353282268. The cubic root of 671806760 is about 875.8198617661.

The spelling of 671806760 in words is "six hundred seventy-one million, eight hundred six thousand, seven hundred sixty".