73421204 has 12 divisors (see below), whose sum is σ = 128673300. Its totient is φ = 36657408.

The previous prime is 73421197. The next prime is 73421233. The reversal of 73421204 is 40212437.

It can be written as a sum of positive squares in 2 ways, for example, as 42640900 + 30780304 = 6530^2 + 5548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73421204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10109 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (10722775).

Almost surely, 2^73421204 is an apocalyptic number.

It is an amenable number.

73421204 is a deficient number, since it is larger than the sum of its proper divisors (55252096).

73421204 is a wasteful number, since it uses less digits than its factorization.

73421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26602 (or 26600 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 73421204 is about 8568.6173913882. The cubic root of 73421204 is about 418.7361933816.

The spelling of 73421204 in words is "seventy-three million, four hundred twenty-one thousand, two hundred four".