6900069 has 16 divisors (see below), whose sum is σ = 10473984. Its totient is φ = 3999600.

The previous prime is 6900067. The next prime is 6900077. The reversal of 6900069 is 9600096.

It is not a de Polignac number, because 6900069 - 2¹ = 6900067 is a prime.

It is a super-2 number, since 2×6900069² = 95221904409522, which contains 22 as substring.

6900069 is a strobogrammatic number because it is the same when read upside-down.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3787 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (654624).

Almost surely, 2^6900069 is an apocalyptic number.

6900069 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6900069 is a deficient number, since it is larger than the sum of its proper divisors (3573915).

6900069 is a wasteful number, since it uses less digits than its factorization.

6900069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 6900069 is about 2626.7982412054. The cubic root of 6900069 is about 190.3784607870.

The spelling of 6900069 in words is "six million, nine hundred thousand, sixty-nine".