673124256 has 240 divisors, whose sum is σ = 2362276224. Its totient is φ = 183845376.

The previous prime is 673124237. The next prime is 673124269. The reversal of 673124256 is 652421376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 673124256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 416506 + ... + 418118.

Almost surely, 2^673124256 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 673124256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181138112).

673124256 is an abundant number, since it is smaller than the sum of its proper divisors (1689151968).

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

673124256 is a wasteful number, since it uses less digits than its factorization.

673124256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1648 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 673124256 is about 25944.6382900205. The cubic root of 673124256 is about 876.3920181994.

It can be divided in two parts, 673124 and 256, that added together give a triangular number (673380 = T₁₁₆₀).

The spelling of 673124256 in words is "six hundred seventy-three million, one hundred twenty-four thousand, two hundred fifty-six".