69040069 has 32 divisors (see below), whose sum is σ = 85606400. Its totient is φ = 55566000.

The previous prime is 69040067. The next prime is 69040073. The reversal of 69040069 is 96004096.

It is not a de Polignac number, because 69040069 - 2¹ = 69040067 is a prime.

It is a super-2 number, since 2×69040069² = 9533062255049522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69040061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457144 + ... + 457294.

It is an arithmetic number, because the mean of its divisors is an integer number (2675200).

Almost surely, 2^69040069 is an apocalyptic number.

It is an amenable number.

69040069 is a deficient number, since it is larger than the sum of its proper divisors (16566331).

69040069 is a wasteful number, since it uses less digits than its factorization.

69040069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 69040069 is about 8309.0353832440. The cubic root of 69040069 is about 410.2359716384.

The spelling of 69040069 in words is "sixty-nine million, forty thousand, sixty-nine".