99625740 has 96 divisors (see below), whose sum is σ = 295626240. Its totient is φ = 24998400.

The previous prime is 99625733. The next prime is 99625741. The reversal of 99625740 is 4752699.

It is a junction number, because it is equal to n+sod(n) for n = 99625692 and 99625701.

It is not an unprimeable number, because it can be changed into a prime (99625741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320185 + ... + 320495.

It is an arithmetic number, because the mean of its divisors is an integer number (3079440).

Almost surely, 2^99625740 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 99625740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147813120).

99625740 is an abundant number, since it is smaller than the sum of its proper divisors (196000500).

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

99625740 is a wasteful number, since it uses less digits than its factorization.

99625740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 99625740 is about 9981.2694583405. The cubic root of 99625740 is about 463.5791057878.

The spelling of 99625740 in words is "ninety-nine million, six hundred twenty-five thousand, seven hundred forty".