69705497 has 2 divisors, whose sum is σ = 69705498. Its totient is φ = 69705496.

The previous prime is 69705469. The next prime is 69705499. The reversal of 69705497 is 79450796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 4596736 = 8069^2 + 2144^2 .

It is a cyclic number.

It is not a de Polignac number, because 69705497 - 2¹⁰ = 69704473 is a prime.

Together with 69705499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69705499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34852748 + 34852749.

It is an arithmetic number, because the mean of its divisors is an integer number (34852749).

Almost surely, 2^69705497 is an apocalyptic number.

It is an amenable number.

69705497 is a deficient number, since it is larger than the sum of its proper divisors (1).

69705497 is an equidigital number, since it uses as much as digits as its factorization.

69705497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 69705497 is about 8348.9817942070. The cubic root of 69705497 is about 411.5497504548.

The spelling of 69705497 in words is "sixty-nine million, seven hundred five thousand, four hundred ninety-seven".