68253804 has 18 divisors (see below), whose sum is σ = 172530540. Its totient is φ = 22751256.

The previous prime is 68253797. The next prime is 68253841. The reversal of 68253804 is 40835286.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1895939 = 68253804 / (6 + 8 + 2 + 5 + 3 + 8 + 0 + 4).

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 947934 + ... + 948005.

It is an arithmetic number, because the mean of its divisors is an integer number (9585030).

Almost surely, 2^68253804 is an apocalyptic number.

It is an amenable number.

68253804 is an abundant number, since it is smaller than the sum of its proper divisors (104276736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68253804 is a wasteful number, since it uses less digits than its factorization.

68253804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895949 (or 1895944 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 68253804 is about 8261.5860462746. The cubic root of 68253804 is about 408.6726936257.

The spelling of 68253804 in words is "sixty-eight million, two hundred fifty-three thousand, eight hundred four".