73803366 has 128 divisors (see below), whose sum is σ = 210954240. Its totient is φ = 18589824.

The previous prime is 73803349. The next prime is 73803371. The reversal of 73803366 is 66330837.

It is a self number, because there is not a number n which added to its sum of digits gives 73803366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112696 + ... + 113348.

It is an arithmetic number, because the mean of its divisors is an integer number (1648080).

Almost surely, 2^73803366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73803366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105477120).

73803366 is an abundant number, since it is smaller than the sum of its proper divisors (137150874).

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

73803366 is a wasteful number, since it uses less digits than its factorization.

73803366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 73803366 is about 8590.8885454300. Note that the first 3 decimals coincide. The cubic root of 73803366 is about 419.4614525968.

The spelling of 73803366 in words is "seventy-three million, eight hundred three thousand, three hundred sixty-six".