673740040371 has 4 divisors (see below), whose sum is σ = 898320053832. Its totient is φ = 449160026912.

The previous prime is 673740040367. The next prime is 673740040399. The reversal of 673740040371 is 173040047376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673740040371 - 2² = 673740040367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673740040331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112290006726 + ... + 112290006731.

It is an arithmetic number, because the mean of its divisors is an integer number (224580013458).

Almost surely, 2^673740040371 is an apocalyptic number.

673740040371 is a deficient number, since it is larger than the sum of its proper divisors (224580013461).

673740040371 is a wasteful number, since it uses less digits than its factorization.

673740040371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224580013460.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 673740040371 in words is "six hundred seventy-three billion, seven hundred forty million, forty thousand, three hundred seventy-one".