68244804 has 36 divisors (see below), whose sum is σ = 172792620. Its totient is φ = 22710720.

The previous prime is 68244779. The next prime is 68244821. The reversal of 68244804 is 40844286.

It can be written as a sum of positive squares in 2 ways, for example, as 38564100 + 29680704 = 6210^2 + 5448^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28402 + ... + 30710.

It is an arithmetic number, because the mean of its divisors is an integer number (4799795).

Almost surely, 2^68244804 is an apocalyptic number.

It is an amenable number.

68244804 is an abundant number, since it is smaller than the sum of its proper divisors (104547816).

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

68244804 is a wasteful number, since it uses less digits than its factorization.

68244804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3135 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 68244804 is about 8261.0413387175. The cubic root of 68244804 is about 408.6547302024.

It can be divided in two parts, 6824 and 4804, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 68244804 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred four".