731709766932672 has 56 divisors (see below), whose sum is σ = 2111980463652672. Its totient is φ = 221730232403200.

The previous prime is 731709766932637. The next prime is 731709766932751. The reversal of 731709766932672 is 276239667907137.

It is a junction number, because it is equal to n+sod(n) for n = 731709766932594 and 731709766932603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173226741954 + ... + 173226746177.

Almost surely, 2^{731709766932672} is an apocalyptic number.

It is an amenable number.

731709766932672 is an abundant number, since it is smaller than the sum of its proper divisors (1380270696720000).

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

731709766932672 is a wasteful number, since it uses less digits than its factorization.

731709766932672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346453488157 (or 346453488147 counting only the distinct ones).

The product of its (nonzero) digits is 1512284256, while the sum is 75.

The spelling of 731709766932672 in words is "seven hundred thirty-one trillion, seven hundred nine billion, seven hundred sixty-six million, nine hundred thirty-two thousand, six hundred seventy-two".