69408148 has 12 divisors (see below), whose sum is σ = 122579380. Its totient is φ = 34385472.

The previous prime is 69408139. The next prime is 69408191. The reversal of 69408148 is 84180496.

It can be written as a sum of positive squares in 2 ways, for example, as 51868804 + 17539344 = 7202^2 + 4188^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 69408148.

It is a congruent number.

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, 79161 + ... + 80032.

Almost surely, 2^69408148 is an apocalyptic number.

It is an amenable number.

69408148 is a deficient number, since it is larger than the sum of its proper divisors (53171232).

69408148 is a wasteful number, since it uses less digits than its factorization.

69408148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159306 (or 159304 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 69408148 is about 8331.1552620270. The cubic root of 69408148 is about 410.9637214581.

The spelling of 69408148 in words is "sixty-nine million, four hundred eight thousand, one hundred forty-eight".