99726469 has 2 divisors, whose sum is σ = 99726470. Its totient is φ = 99726468.

The previous prime is 99726457. The next prime is 99726481. The reversal of 99726469 is 96462799.

It is a balanced prime because it is at equal distance from previous prime (99726457) and next prime (99726481).

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 26244 = 9985^2 + 162^2 .

It is an emirp because it is prime and its reverse (96462799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99726469 - 2²³ = 91337861 is a prime.

It is a super-2 number, since 2×99726469² = 19890737238415922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99726439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49863234 + 49863235.

It is an arithmetic number, because the mean of its divisors is an integer number (49863235).

Almost surely, 2^99726469 is an apocalyptic number.

It is an amenable number.

99726469 is a deficient number, since it is larger than the sum of its proper divisors (1).

99726469 is an equidigital number, since it uses as much as digits as its factorization.

99726469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 99726469 is about 9986.3140847862. The cubic root of 99726469 is about 463.7352907621.

The spelling of 99726469 in words is "ninety-nine million, seven hundred twenty-six thousand, four hundred sixty-nine".