671690760 has 64 divisors (see below), whose sum is σ = 2170082880. Its totient is φ = 165338880.

The previous prime is 671690749. The next prime is 671690777. The reversal of 671690760 is 67096176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213726 + ... + 216845.

It is an arithmetic number, because the mean of its divisors is an integer number (33907545).

Almost surely, 2^671690760 is an apocalyptic number.

671690760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671690760 is an abundant number, since it is smaller than the sum of its proper divisors (1498392120).

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

671690760 is a wasteful number, since it uses less digits than its factorization.

671690760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430598 (or 430594 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 671690760 is about 25916.9975112859. The cubic root of 671690760 is about 875.7694499721.

The spelling of 671690760 in words is "six hundred seventy-one million, six hundred ninety thousand, seven hundred sixty".