73147033 has 4 divisors (see below), whose sum is σ = 73164388. Its totient is φ = 73129680.

The previous prime is 73147031. The next prime is 73147051. The reversal of 73147033 is 33074137.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37002889 + 36144144 = 6083^2 + 6012^2 .

It is a cyclic number.

It is not a de Polignac number, because 73147033 - 2¹ = 73147031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73146992 and 73147010.

It is not an unprimeable number, because it can be changed into a prime (73147031) 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 3 ways as a sum of consecutive naturals, for example, 2143 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (18291097).

Almost surely, 2^73147033 is an apocalyptic number.

It is an amenable number.

73147033 is a deficient number, since it is larger than the sum of its proper divisors (17355).

73147033 is a wasteful number, since it uses less digits than its factorization.

73147033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73147033 is about 8552.6038725057. The cubic root of 73147033 is about 418.2143254260.

The spelling of 73147033 in words is "seventy-three million, one hundred forty-seven thousand, thirty-three".