75472393 has 2 divisors, whose sum is σ = 75472394. Its totient is φ = 75472392.

The previous prime is 75472381. The next prime is 75472399. The reversal of 75472393 is 39327457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57562569 + 17909824 = 7587^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 75472393 - 2⁹ = 75471881 is a prime.

It is not a weakly prime, because it can be changed into another prime (75472399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37736196 + 37736197.

It is an arithmetic number, because the mean of its divisors is an integer number (37736197).

Almost surely, 2^75472393 is an apocalyptic number.

It is an amenable number.

75472393 is a deficient number, since it is larger than the sum of its proper divisors (1).

75472393 is an equidigital number, since it uses as much as digits as its factorization.

75472393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 40.

The square root of 75472393 is about 8687.4848489077. The cubic root of 75472393 is about 422.5998839507.

The spelling of 75472393 in words is "seventy-five million, four hundred seventy-two thousand, three hundred ninety-three".