69040305 has 24 divisors (see below), whose sum is σ = 120399552. Its totient is φ = 36597024.

The previous prime is 69040297. The next prime is 69040339. The reversal of 69040305 is 50304096.

It is a happy number.

It is not a de Polignac number, because 69040305 - 2³ = 69040297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2922 + ... + 12108.

It is an arithmetic number, because the mean of its divisors is an integer number (5016648).

Almost surely, 2^69040305 is an apocalyptic number.

It is an amenable number.

69040305 is a deficient number, since it is larger than the sum of its proper divisors (51359247).

69040305 is a wasteful number, since it uses less digits than its factorization.

69040305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 69040305 is about 8309.0495846396. The cubic root of 69040305 is about 410.2364390751.

The spelling of 69040305 in words is "sixty-nine million, forty thousand, three hundred five".