673075404 has 72 divisors (see below), whose sum is σ = 1783253472. Its totient is φ = 213649920.

The previous prime is 673075397. The next prime is 673075409. The reversal of 673075404 is 404570376.

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

It is not an unprimeable number, because it can be changed into a prime (673075409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197862 + ... + 201234.

Almost surely, 2^673075404 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 673075404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891626736).

673075404 is an abundant number, since it is smaller than the sum of its proper divisors (1110178068).

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

673075404 is a wasteful number, since it uses less digits than its factorization.

673075404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 673075404 is about 25943.6968067390. The cubic root of 673075404 is about 876.3708162998.

The spelling of 673075404 in words is "six hundred seventy-three million, seventy-five thousand, four hundred four".