674317133280 has 480 divisors, whose sum is σ = 2721763731456. Its totient is φ = 154015312896.

The previous prime is 674317133279. The next prime is 674317133293. The reversal of 674317133280 is 82331713476.

674317133280 is a `hidden beast` number, since 6 + 7 + 4 + 317 + 1 + 3 + 328 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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 79 ways as a sum of consecutive naturals, for example, 212918257 + ... + 212921423.

Almost surely, 2^674317133280 is an apocalyptic number.

674317133280 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 674317133280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360881865728).

674317133280 is an abundant number, since it is smaller than the sum of its proper divisors (2047446598176).

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

674317133280 is a wasteful number, since it uses less digits than its factorization.

674317133280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 674317133280 in words is "six hundred seventy-four billion, three hundred seventeen million, one hundred thirty-three thousand, two hundred eighty".