69989073 has 16 divisors (see below), whose sum is σ = 116345856. Its totient is φ = 36357840.

The previous prime is 69989047. The next prime is 69989077. The reversal of 69989073 is 37098996.

It is not a de Polignac number, because 69989073 - 2⁸ = 69988817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69989077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151261 + ... + 151722.

It is an arithmetic number, because the mean of its divisors is an integer number (7271616).

Almost surely, 2^69989073 is an apocalyptic number.

It is an amenable number.

69989073 is a deficient number, since it is larger than the sum of its proper divisors (46356783).

69989073 is a wasteful number, since it uses less digits than its factorization.

69989073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303004.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 69989073 is about 8365.9472267042. The cubic root of 69989073 is about 412.1070844438.

The spelling of 69989073 in words is "sixty-nine million, nine hundred eighty-nine thousand, seventy-three".