99545712 has 160 divisors (see below), whose sum is σ = 319979520. Its totient is φ = 26023680.

The previous prime is 99545687. The next prime is 99545737. The reversal of 99545712 is 21754599.

It is an interprime number because it is at equal distance from previous prime (99545687) and next prime (99545737).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 197653 + ... + 198155.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2^99545712 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 99545712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159989760).

99545712 is an abundant number, since it is smaller than the sum of its proper divisors (220433808).

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

99545712 is a wasteful number, since it uses less digits than its factorization.

99545712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 565 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 99545712 is about 9977.2597440379. The cubic root of 99545712 is about 463.4549436087.

The spelling of 99545712 in words is "ninety-nine million, five hundred forty-five thousand, seven hundred twelve".