731963772064 has 96 divisors (see below), whose sum is σ = 1733889024000. Its totient is φ = 297138481920.

The previous prime is 731963772061. The next prime is 731963772103. The reversal of 731963772064 is 460277369137.

It is a super-2 number, since 2×731963772064² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 731963771996 and 731963772014.

It is not an unprimeable number, because it can be changed into a prime (731963772061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35872137 + ... + 35892535.

It is an arithmetic number, because the mean of its divisors is an integer number (18061344000).

Almost surely, 2^731963772064 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 731963772064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866944512000).

731963772064 is an abundant number, since it is smaller than the sum of its proper divisors (1001925251936).

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

731963772064 is a wasteful number, since it uses less digits than its factorization.

731963772064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28866 (or 28858 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 731963772064 in words is "seven hundred thirty-one billion, nine hundred sixty-three million, seven hundred seventy-two thousand, sixty-four".