99474120 has 96 divisors (see below), whose sum is σ = 340329600. Its totient is φ = 25128576.

The previous prime is 99474091. The next prime is 99474121. The reversal of 99474120 is 2147499.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (99474121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432 + ... + 14111.

It is an arithmetic number, because the mean of its divisors is an integer number (3545100).

Almost surely, 2^99474120 is an apocalyptic number.

99474120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99474120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170164800).

99474120 is an abundant number, since it is smaller than the sum of its proper divisors (240855480).

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

99474120 is a wasteful number, since it uses less digits than its factorization.

99474120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579 (or 14572 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 99474120 is about 9973.6713400833. The cubic root of 99474120 is about 463.3438133452.

The spelling of 99474120 in words is "ninety-nine million, four hundred seventy-four thousand, one hundred twenty".