536721472 has 56 divisors (see below), whose sum is σ = 1224117440. Its totient is φ = 228718080.

The previous prime is 536721469. The next prime is 536721487. The reversal of 536721472 is 274127635.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77779 + ... + 84397.

It is an arithmetic number, because the mean of its divisors is an integer number (21859240).

Almost surely, 2^536721472 is an apocalyptic number.

536721472 is the 11584-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536721472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612058720).

536721472 is an abundant number, since it is smaller than the sum of its proper divisors (687395968).

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

536721472 is a wasteful number, since it uses less digits than its factorization.

536721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6809 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 536721472 is about 23167.2499878600. The cubic root of 536721472 is about 812.6739210169.

The spelling of 536721472 in words is "five hundred thirty-six million, seven hundred twenty-one thousand, four hundred seventy-two".