99570504 has 64 divisors (see below), whose sum is σ = 273637440. Its totient is φ = 29941760.

The previous prime is 99570503. The next prime is 99570529. The reversal of 99570504 is 40507599.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99570503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34792 + ... + 37544.

It is an arithmetic number, because the mean of its divisors is an integer number (4275585).

Almost surely, 2^99570504 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 99570504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136818720).

99570504 is an abundant number, since it is smaller than the sum of its proper divisors (174066936).

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

99570504 is a wasteful number, since it uses less digits than its factorization.

99570504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2906 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 99570504 is about 9978.5020919976. The cubic root of 99570504 is about 463.4934151176.

The spelling of 99570504 in words is "ninety-nine million, five hundred seventy thousand, five hundred four".