99627570 has 96 divisors (see below), whose sum is σ = 307052928. Its totient is φ = 22768128.

The previous prime is 99627551. The next prime is 99627571. The reversal of 99627570 is 7572699.

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

It is not an unprimeable number, because it can be changed into a prime (99627571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14082 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (3198468).

Almost surely, 2^99627570 is an apocalyptic number.

99627570 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 99627570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153526464).

99627570 is an abundant number, since it is smaller than the sum of its proper divisors (207425358).

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

99627570 is a wasteful number, since it uses less digits than its factorization.

99627570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 99627570 is about 9981.3611296256. The cubic root of 99627570 is about 463.5819442262.

The spelling of 99627570 in words is "ninety-nine million, six hundred twenty-seven thousand, five hundred seventy".