99721302 has 16 divisors (see below), whose sum is σ = 203206320. Its totient is φ = 32613152.

The previous prime is 99721273. The next prime is 99721313. The reversal of 99721302 is 20312799.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 156477 + ... + 157112.

It is an arithmetic number, because the mean of its divisors is an integer number (12700395).

Almost surely, 2^99721302 is an apocalyptic number.

99721302 is an abundant number, since it is smaller than the sum of its proper divisors (103485018).

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

99721302 is a wasteful number, since it uses less digits than its factorization.

99721302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313647.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 99721302 is about 9986.0553773750. The cubic root of 99721302 is about 463.7272816492.

The spelling of 99721302 in words is "ninety-nine million, seven hundred twenty-one thousand, three hundred two".