73382421 has 16 divisors (see below), whose sum is σ = 118399104. Its totient is φ = 39465984.

The previous prime is 73382399. The next prime is 73382423. The reversal of 73382421 is 12428337.

It is not a de Polignac number, because 73382421 - 2⁶ = 73382357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73382423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102420 + ... + 103133.

It is an arithmetic number, because the mean of its divisors is an integer number (7399944).

Almost surely, 2^73382421 is an apocalyptic number.

It is an amenable number.

73382421 is a deficient number, since it is larger than the sum of its proper divisors (45016683).

73382421 is a wasteful number, since it uses less digits than its factorization.

73382421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205580.

The product of its digits is 8064, while the sum is 30.

The square root of 73382421 is about 8566.3540085616. The cubic root of 73382421 is about 418.6624512600.

The spelling of 73382421 in words is "seventy-three million, three hundred eighty-two thousand, four hundred twenty-one".