727425515520 has 1152 divisors, whose sum is σ = 2893484543040. Its totient is φ = 175177728000.

The previous prime is 727425515491. The next prime is 727425515533. The reversal of 727425515520 is 25515524727.

727425515520 is a `hidden beast` number, since 7 + 2 + 7 + 42 + 5 + 51 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4817387445 + ... + 4817387595.

Almost surely, 2^727425515520 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 727425515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446742271520).

727425515520 is an abundant number, since it is smaller than the sum of its proper divisors (2166059027520).

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

727425515520 is an equidigital number, since it uses as much as digits as its factorization.

727425515520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 45.

The spelling of 727425515520 in words is "seven hundred twenty-seven billion, four hundred twenty-five million, five hundred fifteen thousand, five hundred twenty".