452721472 has 112 divisors (see below), whose sum is σ = 1058590720. Its totient is φ = 188116992.

The previous prime is 452721463. The next prime is 452721497. The reversal of 452721472 is 274127254.

It is a tau number, because it is divible by the number of its divisors (112).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564673 + ... + 3564799.

Almost surely, 2^452721472 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 452721472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529295360).

452721472 is an abundant number, since it is smaller than the sum of its proper divisors (605869248).

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

452721472 is a wasteful number, since it uses less digits than its factorization.

452721472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 318 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 452721472 is about 21277.2524542056. The cubic root of 452721472 is about 767.8511357882.

The spelling of 452721472 in words is "four hundred fifty-two million, seven hundred twenty-one thousand, four hundred seventy-two".