75473243 has 2 divisors, whose sum is σ = 75473244. Its totient is φ = 75473242.

The previous prime is 75473231. The next prime is 75473267. The reversal of 75473243 is 34237457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75473243 - 2⁴ = 75473227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75473443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37736621 + 37736622.

It is an arithmetic number, because the mean of its divisors is an integer number (37736622).

Almost surely, 2^75473243 is an apocalyptic number.

75473243 is a deficient number, since it is larger than the sum of its proper divisors (1).

75473243 is an equidigital number, since it uses as much as digits as its factorization.

75473243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 35.

The square root of 75473243 is about 8687.5337697185. The cubic root of 75473243 is about 422.6014704405.

The spelling of 75473243 in words is "seventy-five million, four hundred seventy-three thousand, two hundred forty-three".