99972703 has 2 divisors, whose sum is σ = 99972704. Its totient is φ = 99972702.

The previous prime is 99972679. The next prime is 99972709. The reversal of 99972703 is 30727999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99972703 - 2¹³ = 99964511 is a prime.

It is equal to p_5759974 and since 99972703 and 5759974 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99972709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49986351 + 49986352.

It is an arithmetic number, because the mean of its divisors is an integer number (49986352).

Almost surely, 2^99972703 is an apocalyptic number.

99972703 is a deficient number, since it is larger than the sum of its proper divisors (1).

99972703 is an equidigital number, since it uses as much as digits as its factorization.

99972703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 99972703 is about 9998.6350568465. The cubic root of 99972703 is about 464.1166457010.

The spelling of 99972703 in words is "ninety-nine million, nine hundred seventy-two thousand, seven hundred three".