69564071 has 2 divisors, whose sum is σ = 69564072. Its totient is φ = 69564070.

The previous prime is 69564059. The next prime is 69564097. The reversal of 69564071 is 17046596.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69564071 - 2¹⁸ = 69301927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69564571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34782035 + 34782036.

It is an arithmetic number, because the mean of its divisors is an integer number (34782036).

Almost surely, 2^69564071 is an apocalyptic number.

69564071 is a deficient number, since it is larger than the sum of its proper divisors (1).

69564071 is an equidigital number, since it uses as much as digits as its factorization.

69564071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 69564071 is about 8340.5078382554. The cubic root of 69564071 is about 411.2712298917.

The spelling of 69564071 in words is "sixty-nine million, five hundred sixty-four thousand, seventy-one".