4521323072 has 56 divisors (see below), whose sum is σ = 10699552896. Its totient is φ = 1853457408.

The previous prime is 4521323069. The next prime is 4521323083. The reversal of 4521323072 is 2703231254.

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

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, 209093 + ... + 229700.

Almost surely, 2^4521323072 is an apocalyptic number.

It is an amenable number.

4521323072 is an abundant number, since it is smaller than the sum of its proper divisors (6178229824).

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

4521323072 is a wasteful number, since it uses less digits than its factorization.

4521323072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438835 (or 438825 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 4521323072 is about 67240.7842904885. The cubic root of 4521323072 is about 1653.5671917436.

The spelling of 4521323072 in words is "four billion, five hundred twenty-one million, three hundred twenty-three thousand, seventy-two".