673973400 has 192 divisors, whose sum is σ = 2164504320. Its totient is φ = 173376000.

The previous prime is 673973353. The next prime is 673973429. The reversal of 673973400 is 4379376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3895714 + ... + 3895886.

It is an arithmetic number, because the mean of its divisors is an integer number (11273460).

Almost surely, 2^673973400 is an apocalyptic number.

673973400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673973400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082252160).

673973400 is an abundant number, since it is smaller than the sum of its proper divisors (1490530920).

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

673973400 is a wasteful number, since it uses less digits than its factorization.

673973400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 673973400 is about 25960.9976695812. The cubic root of 673973400 is about 876.7603852125.

The spelling of 673973400 in words is "six hundred seventy-three million, nine hundred seventy-three thousand, four hundred".