673733340340 has 12 divisors (see below), whose sum is σ = 1414840014756. Its totient is φ = 269493336128.

The previous prime is 673733340311. The next prime is 673733340353. The reversal of 673733340340 is 43043337376.

It can be written as a sum of positive squares in 2 ways, for example, as 162617014564 + 511116325776 = 403258^2 + 714924^2 .

It is a super-2 number, since 2×673733340340² (a number of 24 digits) contains 22 as substring.

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, 16843333489 + ... + 16843333528.

It is an arithmetic number, because the mean of its divisors is an integer number (117903334563).

Almost surely, 2^673733340340 is an apocalyptic number.

It is an amenable number.

673733340340 is an abundant number, since it is smaller than the sum of its proper divisors (741106674416).

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

673733340340 is a wasteful number, since it uses less digits than its factorization.

673733340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33686667026 (or 33686667024 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 43.

The spelling of 673733340340 in words is "six hundred seventy-three billion, seven hundred thirty-three million, three hundred forty thousand, three hundred forty".