69874969 has 4 divisors (see below), whose sum is σ = 69993396. Its totient is φ = 69756544.

The previous prime is 69874963. The next prime is 69874991. The reversal of 69874969 is 96947896.

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 15705369 + 54169600 = 3963^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 69874969 - 2⁷ = 69874841 is a prime.

It is a super-2 number, since 2×69874969² = 9765022585501922, 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 (69874963) 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, 58324 + ... + 59509.

It is an arithmetic number, because the mean of its divisors is an integer number (17498349).

Almost surely, 2^69874969 is an apocalyptic number.

It is an amenable number.

69874969 is a deficient number, since it is larger than the sum of its proper divisors (118427).

69874969 is a wasteful number, since it uses less digits than its factorization.

69874969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118426.

The product of its digits is 5878656, while the sum is 58.

The square root of 69874969 is about 8359.1248943894. The cubic root of 69874969 is about 411.8830083035.

The spelling of 69874969 in words is "sixty-nine million, eight hundred seventy-four thousand, nine hundred sixty-nine".