674692712568 has 192 divisors, whose sum is σ = 2183672736000. Its totient is φ = 192456057024.

The previous prime is 674692712467. The next prime is 674692712569. The reversal of 674692712568 is 865217296476.

674692712568 is a `hidden beast` number, since 6 + 7 + 4 + 69 + 2 + 7 + 1 + 2 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674692712569) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6500005 + ... + 6602987.

It is an arithmetic number, because the mean of its divisors is an integer number (11373295500).

Almost surely, 2^674692712568 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 674692712568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091836368000).

674692712568 is an abundant number, since it is smaller than the sum of its proper divisors (1508980023432).

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

674692712568 is a wasteful number, since it uses less digits than its factorization.

674692712568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103631 (or 103614 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 674692712568 in words is "six hundred seventy-four billion, six hundred ninety-two million, seven hundred twelve thousand, five hundred sixty-eight".