726992732160 has 180 divisors, whose sum is σ = 2520167115648. Its totient is φ = 193864531968.

The previous prime is 726992732117. The next prime is 726992732189. The reversal of 726992732160 is 61237299627.

726992732160 is a `hidden beast` number, since 72 + 6 + 99 + 273 + 216 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×726992732160² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726992732097 and 726992732106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244257 + ... + 1230303.

Almost surely, 2^726992732160 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 726992732160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260083557824).

726992732160 is an abundant number, since it is smaller than the sum of its proper divisors (1793174383488).

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

726992732160 is an equidigital number, since it uses as much as digits as its factorization.

726992732160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986086 (or 986057 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 726992732160 in words is "seven hundred twenty-six billion, nine hundred ninety-two million, seven hundred thirty-two thousand, one hundred sixty".