99672329 has 2 divisors, whose sum is σ = 99672330. Its totient is φ = 99672328.

The previous prime is 99672283. The next prime is 99672337. The reversal of 99672329 is 92327699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99460729 + 211600 = 9973^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 99672329 - 2²⁰ = 98623753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99672359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49836164 + 49836165.

It is an arithmetic number, because the mean of its divisors is an integer number (49836165).

Almost surely, 2^99672329 is an apocalyptic number.

It is an amenable number.

99672329 is a deficient number, since it is larger than the sum of its proper divisors (1).

99672329 is an equidigital number, since it uses as much as digits as its factorization.

99672329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The square root of 99672329 is about 9983.6030069309. The cubic root of 99672329 is about 463.6513572668.

It can be divided in two parts, 99672 and 329, that added together give a palindrome (100001).

The spelling of 99672329 in words is "ninety-nine million, six hundred seventy-two thousand, three hundred twenty-nine".