731674554064 has 80 divisors (see below), whose sum is σ = 1517152896000. Its totient is φ = 340829424000.

The previous prime is 731674554049. The next prime is 731674554103. The reversal of 731674554064 is 460455476137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5967327 + ... + 6088705.

It is an arithmetic number, because the mean of its divisors is an integer number (18964411200).

Almost surely, 2^731674554064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731674554064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758576448000).

731674554064 is an abundant number, since it is smaller than the sum of its proper divisors (785478341936).

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

731674554064 is a wasteful number, since it uses less digits than its factorization.

731674554064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121736 (or 121730 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 731674554064 in words is "seven hundred thirty-one billion, six hundred seventy-four million, five hundred fifty-four thousand, sixty-four".