99720703 has 2 divisors, whose sum is σ = 99720704. Its totient is φ = 99720702.

The previous prime is 99720689. The next prime is 99720727. The reversal of 99720703 is 30702799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99720703 - 2⁵ = 99720671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99720403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49860351 + 49860352.

It is an arithmetic number, because the mean of its divisors is an integer number (49860352).

Almost surely, 2^99720703 is an apocalyptic number.

99720703 is a deficient number, since it is larger than the sum of its proper divisors (1).

99720703 is an equidigital number, since it uses as much as digits as its factorization.

99720703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 99720703 is about 9986.0253855075. The cubic root of 99720703 is about 463.7263531509.

The spelling of 99720703 in words is "ninety-nine million, seven hundred twenty thousand, seven hundred three".