673834056 has 64 divisors (see below), whose sum is σ = 1929744000. Its totient is φ = 192073728.

The previous prime is 673834039. The next prime is 673834061. The reversal of 673834056 is 650438376.

It is a super-2 number, since 2×673834056² = 908104670050822272, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 673833999 and 673834017.

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 15 ways as a sum of consecutive naturals, for example, 70966 + ... + 79898.

It is an arithmetic number, because the mean of its divisors is an integer number (30152250).

Almost surely, 2^673834056 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 673834056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964872000).

673834056 is an abundant number, since it is smaller than the sum of its proper divisors (1255909944).

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

673834056 is a wasteful number, since it uses less digits than its factorization.

673834056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398 (or 9394 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 673834056 is about 25958.3138127267. The cubic root of 673834056 is about 876.6999576448.

The spelling of 673834056 in words is "six hundred seventy-three million, eight hundred thirty-four thousand, fifty-six".