99933750 has 240 divisors, whose sum is σ = 327495168. Its totient is φ = 22356000.

The previous prime is 99933727. The next prime is 99933751. The reversal of 99933750 is 5733999.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99933696 and 99933705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99933751) by changing a digit.

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 119 ways as a sum of consecutive naturals, for example, 2126227 + ... + 2126273.

Almost surely, 2^99933750 is an apocalyptic number.

99933750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99933750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163747584).

99933750 is an abundant number, since it is smaller than the sum of its proper divisors (227561418).

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

99933750 is an equidigital number, since it uses as much as digits as its factorization.

99933750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 99933750 is about 9996.6869511854. The cubic root of 99933750 is about 464.0563589637.

The spelling of 99933750 in words is "ninety-nine million, nine hundred thirty-three thousand, seven hundred fifty".