99520576 has 63 divisors (see below), whose sum is σ = 209397981. Its totient is φ = 46927104.

The previous prime is 99520559. The next prime is 99520579. The reversal of 99520576 is 67502599.

It is a happy number.

The square root of 99520576 is 9976.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52186176 + 47334400 = 7224^2 + 6880^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99520579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2314411 + ... + 2314453.

Almost surely, 2^99520576 is an apocalyptic number.

99520576 is the 9976-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99520576

99520576 is an abundant number, since it is smaller than the sum of its proper divisors (109877405).

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

99520576 is an equidigital number, since it uses as much as digits as its factorization.

99520576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The cubic root of 99520576 is about 463.4159317689.

The spelling of 99520576 in words is "ninety-nine million, five hundred twenty thousand, five hundred seventy-six".