99742608 has 120 divisors (see below), whose sum is σ = 325211328. Its totient is φ = 27945216.

The previous prime is 99742541. The next prime is 99742613. The reversal of 99742608 is 80624799.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52491 + ... + 54357.

Almost surely, 2^99742608 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 99742608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162605664).

99742608 is an abundant number, since it is smaller than the sum of its proper divisors (225468720).

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

99742608 is a wasteful number, since it uses less digits than its factorization.

99742608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 99742608 is about 9987.1221079949. The cubic root of 99742608 is about 463.7603052517.

The spelling of 99742608 in words is "ninety-nine million, seven hundred forty-two thousand, six hundred eight".