673417040 has 40 divisors (see below), whose sum is σ = 1567754568. Its totient is φ = 269012480.

The previous prime is 673417009. The next prime is 673417049. The reversal of 673417040 is 40714376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 673298704 = 344^2 + 25948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 673416988 and 673417006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673417049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60554 + ... + 70806.

Almost surely, 2^673417040 is an apocalyptic number.

It is an amenable number.

673417040 is an abundant number, since it is smaller than the sum of its proper divisors (894337528).

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

673417040 is a wasteful number, since it uses less digits than its factorization.

673417040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11087 (or 11081 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 673417040 is about 25950.2801526303. The cubic root of 673417040 is about 876.5190657514.

The spelling of 673417040 in words is "six hundred seventy-three million, four hundred seventeen thousand, forty".