99970933 has 2 divisors, whose sum is σ = 99970934. Its totient is φ = 99970932.

The previous prime is 99970919. The next prime is 99970961. The reversal of 99970933 is 33907999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 47306884 = 7257^2 + 6878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99970933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99970993) 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, 49985466 + 49985467.

It is an arithmetic number, because the mean of its divisors is an integer number (49985467).

Almost surely, 2^99970933 is an apocalyptic number.

It is an amenable number.

99970933 is a deficient number, since it is larger than the sum of its proper divisors (1).

99970933 is an equidigital number, since it uses as much as digits as its factorization.

99970933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 99970933 is about 9998.5465443733. The cubic root of 99970933 is about 464.1139066490.

The spelling of 99970933 in words is "ninety-nine million, nine hundred seventy thousand, nine hundred thirty-three".