69148868 has 12 divisors (see below), whose sum is σ = 122994732. Its totient is φ = 34007520.

The previous prime is 69148867. The next prime is 69148873. The reversal of 69148868 is 86884196.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6390784 + 62758084 = 2528^2 + 7922^2 .

It is not an unprimeable number, because it can be changed into a prime (69148867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141455 + ... + 141942.

It is an arithmetic number, because the mean of its divisors is an integer number (10249561).

Almost surely, 2^69148868 is an apocalyptic number.

It is an amenable number.

69148868 is a deficient number, since it is larger than the sum of its proper divisors (53845864).

69148868 is a wasteful number, since it uses less digits than its factorization.

69148868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283462 (or 283460 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 69148868 is about 8315.5798354655. The cubic root of 69148868 is about 410.4513530299.

The spelling of 69148868 in words is "sixty-nine million, one hundred forty-eight thousand, eight hundred sixty-eight".