674066565480 has 768 divisors, whose sum is σ = 2730043180800. Its totient is φ = 131201925120.

The previous prime is 674066565457. The next prime is 674066565481. The reversal of 674066565480 is 84565660476.

It is a self number, because there is not a number n which added to its sum of digits gives 674066565480.

It is not an unprimeable number, because it can be changed into a prime (674066565481) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 251797902 + ... + 251800578.

It is an arithmetic number, because the mean of its divisors is an integer number (3554743725).

Almost surely, 2^674066565480 is an apocalyptic number.

674066565480 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 674066565480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365021590400).

674066565480 is an abundant number, since it is smaller than the sum of its proper divisors (2055976615320).

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

674066565480 is a wasteful number, since it uses less digits than its factorization.

674066565480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 674066565480 in words is "six hundred seventy-four billion, sixty-six million, five hundred sixty-five thousand, four hundred eighty".