69998069 has 4 divisors (see below), whose sum is σ = 70245696. Its totient is φ = 69750444.

The previous prime is 69998063. The next prime is 69998077. The reversal of 69998069 is 96089996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 69998069 - 2⁴ = 69998053 is a prime.

It is a super-2 number, since 2×69998069² = 9799459327457522, 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 (69998063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 123389 + ... + 123954.

It is an arithmetic number, because the mean of its divisors is an integer number (17561424).

Almost surely, 2^69998069 is an apocalyptic number.

It is an amenable number.

69998069 is a deficient number, since it is larger than the sum of its proper divisors (247627).

69998069 is a wasteful number, since it uses less digits than its factorization.

69998069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247626.

The product of its (nonzero) digits is 1889568, while the sum is 56.

The square root of 69998069 is about 8366.4848652227. The cubic root of 69998069 is about 412.1247403260.

The spelling of 69998069 in words is "sixty-nine million, nine hundred ninety-eight thousand, sixty-nine".