731367322340 has 48 divisors (see below), whose sum is σ = 1586277266112. Its totient is φ = 283072976256.

The previous prime is 731367322289. The next prime is 731367322369. The reversal of 731367322340 is 43223763137.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3881939 + ... + 4065978.

It is an arithmetic number, because the mean of its divisors is an integer number (33047443044).

Almost surely, 2^731367322340 is an apocalyptic number.

It is an amenable number.

731367322340 is an abundant number, since it is smaller than the sum of its proper divisors (854909943772).

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

731367322340 is a wasteful number, since it uses less digits than its factorization.

731367322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948076 (or 7948074 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 731367322340 in words is "seven hundred thirty-one billion, three hundred sixty-seven million, three hundred twenty-two thousand, three hundred forty".