69549968 has 20 divisors (see below), whose sum is σ = 135740940. Its totient is φ = 34520064.

The previous prime is 69549959. The next prime is 69549983. The reversal of 69549968 is 86994596.

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 13778944 = 7468^2 + 3712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13673 + ... + 18056.

It is an arithmetic number, because the mean of its divisors is an integer number (6787047).

Almost surely, 2^69549968 is an apocalyptic number.

It is an amenable number.

69549968 is a deficient number, since it is larger than the sum of its proper divisors (66190972).

69549968 is a wasteful number, since it uses less digits than its factorization.

69549968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31874 (or 31868 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 69549968 is about 8339.6623432846. The cubic root of 69549968 is about 411.2434351308.

The spelling of 69549968 in words is "sixty-nine million, five hundred forty-nine thousand, nine hundred sixty-eight".