674048256 has 144 divisors (see below), whose sum is σ = 2158464000. Its totient is φ = 182421504.

The previous prime is 674048251. The next prime is 674048269. The reversal of 674048256 is 652840476.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (674048251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98845 + ... + 105443.

Almost surely, 2^674048256 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 674048256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079232000).

674048256 is an abundant number, since it is smaller than the sum of its proper divisors (1484415744).

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

674048256 is a wasteful number, since it uses less digits than its factorization.

674048256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644 (or 6630 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 674048256 is about 25962.4393306946. The cubic root of 674048256 is about 876.7928436378.

The spelling of 674048256 in words is "six hundred seventy-four million, forty-eight thousand, two hundred fifty-six".