731359687380 has 96 divisors (see below), whose sum is σ = 2415846236160. Its totient is φ = 161775411840.

The previous prime is 731359687339. The next prime is 731359687397. The reversal of 731359687380 is 83786953137.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 28072990 + ... + 28099029.

It is an arithmetic number, because the mean of its divisors is an integer number (25165064960).

Almost surely, 2^731359687380 is an apocalyptic number.

731359687380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

731359687380 is an abundant number, since it is smaller than the sum of its proper divisors (1684486548780).

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

731359687380 is a wasteful number, since it uses less digits than its factorization.

731359687380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172069 (or 56172067 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 731359687380 in words is "seven hundred thirty-one billion, three hundred fifty-nine million, six hundred eighty-seven thousand, three hundred eighty".