69904969 has 8 divisors (see below), whose sum is σ = 76405248. Its totient is φ = 63670080.

The previous prime is 69904949. The next prime is 69904987. The reversal of 69904969 is 96940996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69904969 - 2⁵ = 69904937 is a prime.

It is a super-2 number, since 2×69904969² = 9773409381781922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69904909) 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 7 ways as a sum of consecutive naturals, for example, 65797 + ... + 66850.

It is an arithmetic number, because the mean of its divisors is an integer number (9550656).

Almost surely, 2^69904969 is an apocalyptic number.

It is an amenable number.

69904969 is a deficient number, since it is larger than the sum of its proper divisors (6500279).

69904969 is a wasteful number, since it uses less digits than its factorization.

69904969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132695.

The product of its (nonzero) digits is 944784, while the sum is 52.

The square root of 69904969 is about 8360.9191480363. The cubic root of 69904969 is about 411.9419455857.

The spelling of 69904969 in words is "sixty-nine million, nine hundred four thousand, nine hundred sixty-nine".