75189073 has 4 divisors (see below), whose sum is σ = 75919168. Its totient is φ = 74458980.

The previous prime is 75189053. The next prime is 75189077. The reversal of 75189073 is 37098157.

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 75189073 - 2⁵ = 75189041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75189077) 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, 364893 + ... + 365098.

It is an arithmetic number, because the mean of its divisors is an integer number (18979792).

Almost surely, 2^75189073 is an apocalyptic number.

It is an amenable number.

75189073 is a deficient number, since it is larger than the sum of its proper divisors (730095).

75189073 is a wasteful number, since it uses less digits than its factorization.

75189073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730094.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 75189073 is about 8671.1633014262. The cubic root of 75189073 is about 422.0704138172.

It can be divided in two parts, 75 and 189073, that multiplied together give a triangular number (14180475 = T₅₃₂₅).

The spelling of 75189073 in words is "seventy-five million, one hundred eighty-nine thousand, seventy-three".