69040959 has 16 divisors (see below), whose sum is σ = 100764384. Its totient is φ = 41788800.

The previous prime is 69040943. The next prime is 69040969. The reversal of 69040959 is 95904096.

It is a happy number.

It is not a de Polignac number, because 69040959 - 2⁴ = 69040943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69040959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69040969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12132 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (6297774).

Almost surely, 2^69040959 is an apocalyptic number.

69040959 is a deficient number, since it is larger than the sum of its proper divisors (31723425).

69040959 is a wasteful number, since it uses less digits than its factorization.

69040959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29098.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 69040959 is about 8309.0889392279. The cubic root of 69040959 is about 410.2377344237.

The spelling of 69040959 in words is "sixty-nine million, forty thousand, nine hundred fifty-nine".