673402790782 has 8 divisors (see below), whose sum is σ = 1019544412536. Its totient is φ = 333554653272.

The previous prime is 673402790777. The next prime is 673402790917. The reversal of 673402790782 is 287097204376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573370793 + ... + 1573371220.

It is an arithmetic number, because the mean of its divisors is an integer number (127443051567).

Almost surely, 2^673402790782 is an apocalyptic number.

673402790782 is a deficient number, since it is larger than the sum of its proper divisors (346141621754).

673402790782 is a wasteful number, since it uses less digits than its factorization.

673402790782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146742122.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 673402790782 in words is "six hundred seventy-three billion, four hundred two million, seven hundred ninety thousand, seven hundred eighty-two".