671486760 has 384 divisors, whose sum is σ = 2641766400. Its totient is φ = 150232320.

The previous prime is 671486759. The next prime is 671486789. The reversal of 671486760 is 67684176.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4830771 + ... + 4830909.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^671486760 is an apocalyptic number.

671486760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671486760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320883200).

671486760 is an abundant number, since it is smaller than the sum of its proper divisors (1970279640).

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

671486760 is a wasteful number, since it uses less digits than its factorization.

671486760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 671486760 is about 25913.0615713389. The cubic root of 671486760 is about 875.6807806676.

The spelling of 671486760 in words is "six hundred seventy-one million, four hundred eighty-six thousand, seven hundred sixty".