671283360 has 144 divisors (see below), whose sum is σ = 2499063840. Its totient is φ = 162731520.

The previous prime is 671283307. The next prime is 671283377. The reversal of 671283360 is 63382176.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5350 + ... + 37029.

It is an arithmetic number, because the mean of its divisors is an integer number (17354610).

Almost surely, 2^671283360 is an apocalyptic number.

671283360 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 671283360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249531920).

671283360 is an abundant number, since it is smaller than the sum of its proper divisors (1827780480).

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

671283360 is a wasteful number, since it uses less digits than its factorization.

671283360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42411 (or 42400 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 671283360 is about 25909.1366123999. The cubic root of 671283360 is about 875.5923542738.

The spelling of 671283360 in words is "six hundred seventy-one million, two hundred eighty-three thousand, three hundred sixty".