673700340340 has 12 divisors (see below), whose sum is σ = 1414770714756. Its totient is φ = 269480136128.

The previous prime is 673700340241. The next prime is 673700340347. The reversal of 673700340340 is 43043007376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 338067822096 + 335632518244 = 581436^2 + 579338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673700340340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673700340347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16842508489 + ... + 16842508528.

It is an arithmetic number, because the mean of its divisors is an integer number (117897559563).

Almost surely, 2^673700340340 is an apocalyptic number.

It is an amenable number.

673700340340 is an abundant number, since it is smaller than the sum of its proper divisors (741070374416).

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

673700340340 is a wasteful number, since it uses less digits than its factorization.

673700340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33685017026 (or 33685017024 counting only the distinct ones).

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

The spelling of 673700340340 in words is "six hundred seventy-three billion, seven hundred million, three hundred forty thousand, three hundred forty".