69812648 has 16 divisors (see below), whose sum is σ = 131064000. Its totient is φ = 34862256.

The previous prime is 69812641. The next prime is 69812653. The reversal of 69812648 is 84621896.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 69812599 and 69812608.

It is not an unprimeable number, because it can be changed into a prime (69812641) 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, 1793 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (8191500).

Almost surely, 2^69812648 is an apocalyptic number.

It is an amenable number.

69812648 is a deficient number, since it is larger than the sum of its proper divisors (61251352).

69812648 is a wasteful number, since it uses less digits than its factorization.

69812648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024 (or 11020 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 69812648 is about 8355.3963400906. The cubic root of 69812648 is about 411.7605200151.

The spelling of 69812648 in words is "sixty-nine million, eight hundred twelve thousand, six hundred forty-eight".