69313828 has 24 divisors (see below), whose sum is σ = 132867000. Its totient is φ = 31492608.

The previous prime is 69313819. The next prime is 69313831. The reversal of 69313828 is 82831396.

It can be written as a sum of positive squares in 4 ways, for example, as 28965924 + 40347904 = 5382^2 + 6352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15603 + ... + 19546.

It is an arithmetic number, because the mean of its divisors is an integer number (5536125).

Almost surely, 2^69313828 is an apocalyptic number.

69313828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

69313828 is a deficient number, since it is larger than the sum of its proper divisors (63553172).

69313828 is a wasteful number, since it uses less digits than its factorization.

69313828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35199 (or 35197 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 69313828 is about 8325.4926580954. The cubic root of 69313828 is about 410.7774817020. Note that the first 3 decimals are identical.

The spelling of 69313828 in words is "sixty-nine million, three hundred thirteen thousand, eight hundred twenty-eight".