69736993 has 2 divisors, whose sum is σ = 69736994. Its totient is φ = 69736992.

The previous prime is 69736991. The next prime is 69736999. The reversal of 69736993 is 39963796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 16257024 = 7313^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 69736993 - 2¹ = 69736991 is a prime.

Together with 69736991, 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 69736993.

It is not a weakly prime, because it can be changed into another prime (69736991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34868496 + 34868497.

It is an arithmetic number, because the mean of its divisors is an integer number (34868497).

Almost surely, 2^69736993 is an apocalyptic number.

It is an amenable number.

69736993 is a deficient number, since it is larger than the sum of its proper divisors (1).

69736993 is an equidigital number, since it uses as much as digits as its factorization.

69736993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 52.

The square root of 69736993 is about 8350.8677992170. The cubic root of 69736993 is about 411.6117265289.

The spelling of 69736993 in words is "sixty-nine million, seven hundred thirty-six thousand, nine hundred ninety-three".