73805390 has 32 divisors (see below), whose sum is σ = 139968000. Its totient is φ = 27965344.

The previous prime is 73805363. The next prime is 73805393. The reversal of 73805390 is 9350837.

It is a self number, because there is not a number n which added to its sum of digits gives 73805390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73805393) 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, 23111 + ... + 26109.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 2^73805390 is an apocalyptic number.

73805390 is a deficient number, since it is larger than the sum of its proper divisors (66162610).

73805390 is a wasteful number, since it uses less digits than its factorization.

73805390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 73805390 is about 8591.0063438459. The cubic root of 73805390 is about 419.4652870300.

The spelling of 73805390 in words is "seventy-three million, eight hundred five thousand, three hundred ninety".