674078293812 has 96 divisors (see below), whose sum is σ = 1963654318080. Its totient is φ = 174844264320.

The previous prime is 674078293807. The next prime is 674078293843. The reversal of 674078293812 is 218392870476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170014 + ... + 1173482.

It is an arithmetic number, because the mean of its divisors is an integer number (20454732480).

Almost surely, 2^674078293812 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 674078293812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981827159040).

674078293812 is an abundant number, since it is smaller than the sum of its proper divisors (1289576024268).

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

674078293812 is a wasteful number, since it uses less digits than its factorization.

674078293812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004221 (or 1004219 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 674078293812 in words is "six hundred seventy-four billion, seventy-eight million, two hundred ninety-three thousand, eight hundred twelve".