69768489 has 16 divisors (see below), whose sum is σ = 108787712. Its totient is φ = 38940048.

The previous prime is 69768487. The next prime is 69768497. The reversal of 69768489 is 98486796.

It is not a de Polignac number, because 69768489 - 2¹ = 69768487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69768487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37729 + ... + 39534.

It is an arithmetic number, because the mean of its divisors is an integer number (6799232).

Almost surely, 2^69768489 is an apocalyptic number.

It is an amenable number.

69768489 is a deficient number, since it is larger than the sum of its proper divisors (39019223).

69768489 is a wasteful number, since it uses less digits than its factorization.

69768489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77316.

The product of its digits is 5225472, while the sum is 57.

The square root of 69768489 is about 8352.7533783777. The cubic root of 69768489 is about 411.6736839452.

The spelling of 69768489 in words is "sixty-nine million, seven hundred sixty-eight thousand, four hundred eighty-nine".