99614721 has 8 divisors (see below), whose sum is σ = 133201600.
Its totient is φ = 66218832.
The previous prime is 99614689. The next prime is 99614737. The reversal of 99614721 is 12741699.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 99614721 - 25 = 99614689 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 99614721.
It is not an unprimeable number, because it can be changed into a prime (99614741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46525 + ... + 48618.
It is an arithmetic number, because the mean of its divisors is an integer number (16650200).
It is a Proth number, since it is equal to 95 ⋅ 220 + 1 and 95 < 220.
Almost surely, 299614721 is an apocalyptic number.
It is an amenable number.
99614721 is a deficient number, since it is larger than the sum of its proper divisors (33586879).
99614721 is a wasteful number, since it uses less digits than its factorization.
99614721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95495.
The product of its digits is 27216, while the sum is 39.
The square root of 99614721 is about 9980.7174591810.
The cubic root of 99614721 is about 463.5620139315.
The spelling of 99614721 in words is "ninety-nine million, six hundred fourteen thousand, seven hundred twenty-one".