673658496 has 192 divisors, whose sum is σ = 2235105600. Its totient is φ = 190771200.

The previous prime is 673658449. The next prime is 673658521. The reversal of 673658496 is 694856376.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 1120596 + ... + 1121196.

It is an arithmetic number, because the mean of its divisors is an integer number (11641175).

Almost surely, 2^673658496 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 673658496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117552800).

673658496 is an abundant number, since it is smaller than the sum of its proper divisors (1561447104).

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

673658496 is a wasteful number, since it uses less digits than its factorization.

673658496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 752 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 673658496 is about 25954.9320168634. The cubic root of 673658496 is about 876.6238128769.

It can be divided in two parts, 67 and 3658496, that added together give a palindrome (3658563).

The spelling of 673658496 in words is "six hundred seventy-three million, six hundred fifty-eight thousand, four hundred ninety-six".