99762642 has 48 divisors (see below), whose sum is σ = 251709120. Its totient is φ = 27963936.

The previous prime is 99762631. The next prime is 99762659. The reversal of 99762642 is 24626799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792 + ... + 14147.

It is an arithmetic number, because the mean of its divisors is an integer number (5243940).

Almost surely, 2^99762642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99762642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125854560).

99762642 is an abundant number, since it is smaller than the sum of its proper divisors (151946478).

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

99762642 is a wasteful number, since it uses less digits than its factorization.

99762642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15007 (or 15004 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 99762642 is about 9988.1250492773. The cubic root of 99762642 is about 463.7913530060.

The spelling of 99762642 in words is "ninety-nine million, seven hundred sixty-two thousand, six hundred forty-two".