99912733 has 2 divisors, whose sum is σ = 99912734. Its totient is φ = 99912732.

The previous prime is 99912731. The next prime is 99912797. The reversal of 99912733 is 33721999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99141849 + 770884 = 9957^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 99912733 - 2¹ = 99912731 is a prime.

Together with 99912731, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99912733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99912731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956366 + 49956367.

It is an arithmetic number, because the mean of its divisors is an integer number (49956367).

Almost surely, 2^99912733 is an apocalyptic number.

It is an amenable number.

99912733 is a deficient number, since it is larger than the sum of its proper divisors (1).

99912733 is an equidigital number, since it uses as much as digits as its factorization.

99912733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 43.

The square root of 99912733 is about 9995.6356976432. The cubic root of 99912733 is about 464.0238248889.

The spelling of 99912733 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred thirty-three".