673722388734 has 16 divisors (see below), whose sum is σ = 1353227805072. Its totient is φ = 223610291648.

The previous prime is 673722388721. The next prime is 673722388763. The reversal of 673722388734 is 437883227376.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240957969 + ... + 240960764.

It is an arithmetic number, because the mean of its divisors is an integer number (84576737817).

Almost surely, 2^673722388734 is an apocalyptic number.

673722388734 is an abundant number, since it is smaller than the sum of its proper divisors (679505416338).

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

673722388734 is a wasteful number, since it uses less digits than its factorization.

673722388734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481918971.

The product of its digits is 56899584, while the sum is 60.

The spelling of 673722388734 in words is "six hundred seventy-three billion, seven hundred twenty-two million, three hundred eighty-eight thousand, seven hundred thirty-four".