73323145 has 16 divisors (see below), whose sum is σ = 100805760. Its totient is φ = 50154624.

The previous prime is 73323143. The next prime is 73323157. The reversal of 73323145 is 54132337.

It is a cyclic number.

It is not a de Polignac number, because 73323145 - 2¹ = 73323143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73323143) 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, 13141 + ... + 17869.

It is an arithmetic number, because the mean of its divisors is an integer number (6300360).

Almost surely, 2^73323145 is an apocalyptic number.

It is an amenable number.

73323145 is a deficient number, since it is larger than the sum of its proper divisors (27482615).

73323145 is a wasteful number, since it uses less digits than its factorization.

73323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184.

The product of its digits is 7560, while the sum is 28.

The square root of 73323145 is about 8562.8934946080. The cubic root of 73323145 is about 418.5496934625.

The spelling of 73323145 in words is "seventy-three million, three hundred twenty-three thousand, one hundred forty-five".