99620273 has 2 divisors, whose sum is σ = 99620274. Its totient is φ = 99620272.

The previous prime is 99620263. The next prime is 99620299. The reversal of 99620273 is 37202699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94633984 + 4986289 = 9728^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 99620273 - 2¹⁰ = 99619249 is a prime.

It is not a weakly prime, because it can be changed into another prime (99620263) by changing a digit.

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 as a sum of consecutive naturals, namely, 49810136 + 49810137.

It is an arithmetic number, because the mean of its divisors is an integer number (49810137).

Almost surely, 2^99620273 is an apocalyptic number.

It is an amenable number.

99620273 is a deficient number, since it is larger than the sum of its proper divisors (1).

99620273 is an equidigital number, since it uses as much as digits as its factorization.

99620273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 99620273 is about 9980.9955916231. The cubic root of 99620273 is about 463.5706259400.

The spelling of 99620273 in words is "ninety-nine million, six hundred twenty thousand, two hundred seventy-three".