69016769 has 4 divisors (see below), whose sum is σ = 69194580. Its totient is φ = 68838960.

The previous prime is 69016751. The next prime is 69016777. The reversal of 69016769 is 96761096.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10647169 + 58369600 = 3263^2 + 7640^2 .

It is a cyclic number.

It is not a de Polignac number, because 69016769 - 2²⁴ = 52239553 is a prime.

It is a super-2 number, since 2×69016769² = 9526628806398722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69016709) 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 3 ways as a sum of consecutive naturals, for example, 88322 + ... + 89099.

It is an arithmetic number, because the mean of its divisors is an integer number (17298645).

Almost surely, 2^69016769 is an apocalyptic number.

It is an amenable number.

69016769 is a deficient number, since it is larger than the sum of its proper divisors (177811).

69016769 is a wasteful number, since it uses less digits than its factorization.

69016769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177810.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 69016769 is about 8307.6331767839. The cubic root of 69016769 is about 410.1898169258.

The spelling of 69016769 in words is "sixty-nine million, sixteen thousand, seven hundred sixty-nine".