69679489 has 16 divisors (see below), whose sum is σ = 82062720. Its totient is φ = 58495360.

The previous prime is 69679487. The next prime is 69679523. The reversal of 69679489 is 98497696.

It is not a de Polignac number, because 69679489 - 2¹ = 69679487 is a prime.

It is a super-2 number, since 2×69679489² = 9710462374602242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69679487) 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, 2589 + ... + 12085.

It is an arithmetic number, because the mean of its divisors is an integer number (5128920).

Almost surely, 2^69679489 is an apocalyptic number.

It is an amenable number.

69679489 is a deficient number, since it is larger than the sum of its proper divisors (12383231).

69679489 is a wasteful number, since it uses less digits than its factorization.

69679489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560.

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

The square root of 69679489 is about 8347.4240936950. The cubic root of 69679489 is about 411.4985592869.

The spelling of 69679489 in words is "sixty-nine million, six hundred seventy-nine thousand, four hundred eighty-nine".