731650963680 has 1152 divisors, whose sum is σ = 3242262764160. Its totient is φ = 152723128320.

The previous prime is 731650963601. The next prime is 731650963691. The reversal of 731650963680 is 86369056137.

731650963680 is a `hidden beast` number, since 7 + 3 + 16 + 509 + 63 + 68 + 0 = 666.

731650963680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 266927110 + ... + 266929850.

It is an arithmetic number, because the mean of its divisors is an integer number (2814464205).

Almost surely, 2^731650963680 is an apocalyptic number.

731650963680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731650963680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621131382080).

731650963680 is an abundant number, since it is smaller than the sum of its proper divisors (2510611800480).

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

731650963680 is a wasteful number, since it uses less digits than its factorization.

731650963680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 731650963680 in words is "seven hundred thirty-one billion, six hundred fifty million, nine hundred sixty-three thousand, six hundred eighty".