99747200 has 192 divisors, whose sum is σ = 290145120. Its totient is φ = 33177600.

The previous prime is 99747191. The next prime is 99747223. The reversal of 99747200 is 274799.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366364 + ... + 1366436.

Almost surely, 2^99747200 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 99747200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145072560).

99747200 is an abundant number, since it is smaller than the sum of its proper divisors (190397920).

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

99747200 is a wasteful number, since it uses less digits than its factorization.

99747200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 99747200 is about 9987.3520014066. The cubic root of 99747200 is about 463.7674220853.

The spelling of 99747200 in words is "ninety-nine million, seven hundred forty-seven thousand, two hundred".