99452729 has 2 divisors, whose sum is σ = 99452730. Its totient is φ = 99452728.

The previous prime is 99452671. The next prime is 99452767. The reversal of 99452729 is 92725499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94381225 + 5071504 = 9715^2 + 2252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99452729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99452029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49726364 + 49726365.

It is an arithmetic number, because the mean of its divisors is an integer number (49726365).

Almost surely, 2^99452729 is an apocalyptic number.

It is an amenable number.

99452729 is a deficient number, since it is larger than the sum of its proper divisors (1).

99452729 is an equidigital number, since it uses as much as digits as its factorization.

99452729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 99452729 is about 9972.5989090106. The cubic root of 99452729 is about 463.3105983473.

The spelling of 99452729 in words is "ninety-nine million, four hundred fifty-two thousand, seven hundred twenty-nine".