73889805 has 16 divisors (see below), whose sum is σ = 128971584. Its totient is φ = 35825280.

The previous prime is 73889789. The next prime is 73889807. The reversal of 73889805 is 50898837.

It is a happy number.

It is not a de Polignac number, because 73889805 - 2⁴ = 73889789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73889807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223744 + ... + 224073.

It is an arithmetic number, because the mean of its divisors is an integer number (8060724).

Almost surely, 2^73889805 is an apocalyptic number.

It is an amenable number.

73889805 is a deficient number, since it is larger than the sum of its proper divisors (55081779).

73889805 is a wasteful number, since it uses less digits than its factorization.

73889805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447836.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 73889805 is about 8595.9179265510. The cubic root of 73889805 is about 419.6251474007.

The spelling of 73889805 in words is "seventy-three million, eight hundred eighty-nine thousand, eight hundred five".