99725472 has 192 divisors, whose sum is σ = 362880000. Its totient is φ = 25885440.

The previous prime is 99725443. The next prime is 99725491. The reversal of 99725472 is 27452799.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65779 + ... + 67277.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^99725472 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 99725472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181440000).

99725472 is an abundant number, since it is smaller than the sum of its proper divisors (263154528).

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

99725472 is a wasteful number, since it uses less digits than its factorization.

99725472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1522 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 99725472 is about 9986.2641663437. The cubic root of 99725472 is about 463.7337453829.

The spelling of 99725472 in words is "ninety-nine million, seven hundred twenty-five thousand, four hundred seventy-two".