673706733400 has 48 divisors (see below), whose sum is σ = 1595922296400. Its totient is φ = 264398110080.

The previous prime is 673706733361. The next prime is 673706733409. The reversal of 673706733400 is 4337607376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673706733409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31768020 + ... + 31789219.

It is an arithmetic number, because the mean of its divisors is an integer number (33248381175).

Almost surely, 2^673706733400 is an apocalyptic number.

It is an amenable number.

673706733400 is an abundant number, since it is smaller than the sum of its proper divisors (922215563000).

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

673706733400 is a wasteful number, since it uses less digits than its factorization.

673706733400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557308 (or 63557299 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 673706733400 in words is "six hundred seventy-three billion, seven hundred six million, seven hundred thirty-three thousand, four hundred".