69928844 has 6 divisors (see below), whose sum is σ = 122375484. Its totient is φ = 34964420.

The previous prime is 69928843. The next prime is 69928861. The reversal of 69928844 is 44882996.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69928792 and 69928801.

It is not an unprimeable number, because it can be changed into a prime (69928843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8741102 + ... + 8741109.

It is an arithmetic number, because the mean of its divisors is an integer number (20395914).

Almost surely, 2^69928844 is an apocalyptic number.

It is an amenable number.

69928844 is a deficient number, since it is larger than the sum of its proper divisors (52446640).

69928844 is a wasteful number, since it uses less digits than its factorization.

69928844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17482215 (or 17482213 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 69928844 is about 8362.3467997925. The cubic root of 69928844 is about 411.9888377910.

The spelling of 69928844 in words is "sixty-nine million, nine hundred twenty-eight thousand, eight hundred forty-four".