73431366 has 16 divisors (see below), whose sum is σ = 146997504. Its totient is φ = 24454664.

The previous prime is 73431361. The next prime is 73431377. The reversal of 73431366 is 66313437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73431361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (9187344).

Almost surely, 2^73431366 is an apocalyptic number.

73431366 is an abundant number, since it is smaller than the sum of its proper divisors (73566138).

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

73431366 is a wasteful number, since it uses less digits than its factorization.

73431366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235.

The product of its digits is 27216, while the sum is 33.

The square root of 73431366 is about 8569.2103486844. The cubic root of 73431366 is about 418.7555111475.

The spelling of 73431366 in words is "seventy-three million, four hundred thirty-one thousand, three hundred sixty-six".