673740700400 has 60 divisors (see below), whose sum is σ = 1621842605400. Its totient is φ = 268966736640.

The previous prime is 673740700363. The next prime is 673740700417. The reversal of 673740700400 is 4007047376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1450970 + ... + 1858169.

It is an arithmetic number, because the mean of its divisors is an integer number (27030710090).

Almost surely, 2^673740700400 is an apocalyptic number.

It is an amenable number.

673740700400 is an abundant number, since it is smaller than the sum of its proper divisors (948101905000).

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

673740700400 is a wasteful number, since it uses less digits than its factorization.

673740700400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309666 (or 3309655 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

Adding to 673740700400 its reverse (4007047376), we get a palindrome (677747747776).

The spelling of 673740700400 in words is "six hundred seventy-three billion, seven hundred forty million, seven hundred thousand, four hundred".