674693467520 has 256 divisors, whose sum is σ = 1666068652800. Its totient is φ = 261140054016.

The previous prime is 674693467477. The next prime is 674693467541. The reversal of 674693467520 is 25764396476.

It is a super-2 number, since 2×674693467520² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674693467520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649617076 + ... + 1649617484.

It is an arithmetic number, because the mean of its divisors is an integer number (6508080675).

Almost surely, 2^674693467520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674693467520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833034326400).

674693467520 is an abundant number, since it is smaller than the sum of its proper divisors (991375185280).

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

674693467520 is a wasteful number, since it uses less digits than its factorization.

674693467520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 674693467520 in words is "six hundred seventy-four billion, six hundred ninety-three million, four hundred sixty-seven thousand, five hundred twenty".