75073 has 4 divisors (see below), whose sum is σ = 77140. Its totient is φ = 73008.

The previous prime is 75041. The next prime is 75079. The reversal of 75073 is 37057.

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 71824 + 3249 = 268^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 75073 - 2⁵ = 75041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75079) 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, 978 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (19285).

2⁷⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

75073 is a deficient number, since it is larger than the sum of its proper divisors (2067).

75073 is a wasteful number, since it uses less digits than its factorization.

75073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 75073 is about 273.9945254928. The cubic root of 75073 is about 42.1853111804.

It can be divided in two parts, 7 and 5073, that multiplied together give a triangular number (35511 = T₂₆₆).

The spelling of 75073 in words is "seventy-five thousand, seventy-three".