73820804 has 6 divisors (see below), whose sum is σ = 129186414. Its totient is φ = 36910400.

The previous prime is 73820713. The next prime is 73820807. The reversal of 73820804 is 40802837.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 34105600 = 6302^2 + 5840^2 .

It is a super-2 number, since 2×73820804² = 10899022206412832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73820807) 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, 9227597 + ... + 9227604.

It is an arithmetic number, because the mean of its divisors is an integer number (21531069).

Almost surely, 2^73820804 is an apocalyptic number.

It is an amenable number.

73820804 is a deficient number, since it is larger than the sum of its proper divisors (55365610).

73820804 is a wasteful number, since it uses less digits than its factorization.

73820804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455205 (or 18455203 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 73820804 is about 8591.9033979672. The cubic root of 73820804 is about 419.4944862880.

The spelling of 73820804 in words is "seventy-three million, eight hundred twenty thousand, eight hundred four".