726885504 has 96 divisors (see below), whose sum is σ = 2121387840. Its totient is φ = 238855680.

The previous prime is 726885499. The next prime is 726885647. The reversal of 726885504 is 405588627.

726885504 is a `hidden beast` number, since 7 + 2 + 68 + 85 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 726885504.

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, 77349 + ... + 86235.

It is an arithmetic number, because the mean of its divisors is an integer number (22097790).

Almost surely, 2^726885504 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 726885504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060693920).

726885504 is an abundant number, since it is smaller than the sum of its proper divisors (1394502336).

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

726885504 is a wasteful number, since it uses less digits than its factorization.

726885504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978 (or 8963 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 726885504 is about 26960.8142310280. The cubic root of 726885504 is about 899.1289943636.

The spelling of 726885504 in words is "seven hundred twenty-six million, eight hundred eighty-five thousand, five hundred four".