673340073400 has 48 divisors (see below), whose sum is σ = 1581015873240. Its totient is φ = 266669328000.

The previous prime is 673340073391. The next prime is 673340073401. The reversal of 673340073400 is 4370043376.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 673340073400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673340073401) 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, 16646634 + ... + 16687033.

Almost surely, 2^673340073400 is an apocalyptic number.

It is an amenable number.

673340073400 is an abundant number, since it is smaller than the sum of its proper divisors (907675799840).

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

673340073400 is a wasteful number, since it uses less digits than its factorization.

673340073400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333784 (or 33333775 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 37.

The spelling of 673340073400 in words is "six hundred seventy-three billion, three hundred forty million, seventy-three thousand, four hundred".