99742441 has 2 divisors, whose sum is σ = 99742442. Its totient is φ = 99742440.

The previous prime is 99742411. The next prime is 99742523. The reversal of 99742441 is 14424799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87984400 + 11758041 = 9380^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 99742441 - 2¹¹ = 99740393 is a prime.

It is equal to p_5747467 and since 99742441 and 5747467 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 99742394 and 99742403.

It is not a weakly prime, because it can be changed into another prime (99742411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49871220 + 49871221.

It is an arithmetic number, because the mean of its divisors is an integer number (49871221).

Almost surely, 2^99742441 is an apocalyptic number.

It is an amenable number.

99742441 is a deficient number, since it is larger than the sum of its proper divisors (1).

99742441 is an equidigital number, since it uses as much as digits as its factorization.

99742441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 99742441 is about 9987.1137472245. The cubic root of 99742441 is about 463.7600464254.

The spelling of 99742441 in words is "ninety-nine million, seven hundred forty-two thousand, four hundred forty-one".