674712192 has 256 divisors, whose sum is σ = 2353996800. Its totient is φ = 165888000.

The previous prime is 674712187. The next prime is 674712221. The reversal of 674712192 is 291217476.

It is a self number, because there is not a number n which added to its sum of digits gives 674712192.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561192 + ... + 562392.

It is an arithmetic number, because the mean of its divisors is an integer number (9195300).

Almost surely, 2^674712192 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 674712192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176998400).

674712192 is an abundant number, since it is smaller than the sum of its proper divisors (1679284608).

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

674712192 is a wasteful number, since it uses less digits than its factorization.

674712192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1243 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 674712192 is about 25975.2226554461. Note that the first 3 decimals coincide. The cubic root of 674712192 is about 877.0806288218.

The spelling of 674712192 in words is "six hundred seventy-four million, seven hundred twelve thousand, one hundred ninety-two".