673401340 has 24 divisors (see below), whose sum is σ = 1428148512. Its totient is φ = 266692800.

The previous prime is 673401329. The next prime is 673401341. The reversal of 673401340 is 43104376.

It is a junction number, because it is equal to n+sod(n) for n = 673401299 and 673401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673401341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164664 + ... + 168703.

It is an arithmetic number, because the mean of its divisors is an integer number (59506188).

Almost surely, 2^673401340 is an apocalyptic number.

It is an amenable number.

673401340 is an abundant number, since it is smaller than the sum of its proper divisors (754747172).

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

673401340 is a wasteful number, since it uses less digits than its factorization.

673401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333477 (or 333475 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 673401340 is about 25949.9776493160. The cubic root of 673401340 is about 876.5122539961.

The spelling of 673401340 in words is "six hundred seventy-three million, four hundred one thousand, three hundred forty".