73005073 has 4 divisors (see below), whose sum is σ = 73240128. Its totient is φ = 72770020.

The previous prime is 73005067. The next prime is 73005077. The reversal of 73005073 is 37050037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73005073 - 2¹³ = 72996881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73005077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117061 + ... + 117682.

It is an arithmetic number, because the mean of its divisors is an integer number (18310032).

Almost surely, 2^73005073 is an apocalyptic number.

It is an amenable number.

73005073 is a deficient number, since it is larger than the sum of its proper divisors (235055).

73005073 is a wasteful number, since it uses less digits than its factorization.

73005073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235054.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 73005073 is about 8544.3006150299. The cubic root of 73005073 is about 417.9436005955.

The spelling of 73005073 in words is "seventy-three million, five thousand, seventy-three".