75323073 has 32 divisors (see below), whose sum is σ = 122791680. Its totient is φ = 40089600.

The previous prime is 75323071. The next prime is 75323077. The reversal of 75323073 is 37032357.

It is not a de Polignac number, because 75323073 - 2¹ = 75323071 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75323073.

It is not an unprimeable number, because it can be changed into a prime (75323071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35013 + ... + 37101.

It is an arithmetic number, because the mean of its divisors is an integer number (3837240).

Almost surely, 2^75323073 is an apocalyptic number.

It is an amenable number.

75323073 is a deficient number, since it is larger than the sum of its proper divisors (47468607).

75323073 is a wasteful number, since it uses less digits than its factorization.

75323073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217.

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 75323073 is about 8678.8866221423. The cubic root of 75323073 is about 422.3209992992.

The spelling of 75323073 in words is "seventy-five million, three hundred twenty-three thousand, seventy-three".