673381104 has 80 divisors (see below), whose sum is σ = 1903937664. Its totient is φ = 203385600.

The previous prime is 673381103. The next prime is 673381117. The reversal of 673381104 is 401183376.

It is a super-2 number, since 2×673381104² = 906884222448517632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673381103) 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, 172842 + ... + 176694.

Almost surely, 2^673381104 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 673381104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951968832).

673381104 is an abundant number, since it is smaller than the sum of its proper divisors (1230556560).

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

673381104 is a wasteful number, since it uses less digits than its factorization.

673381104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 673381104 is about 25949.5877423901. The cubic root of 673381104 is about 876.5034740513.

The spelling of 673381104 in words is "six hundred seventy-three million, three hundred eighty-one thousand, one hundred four".