75073217 has 2 divisors, whose sum is σ = 75073218. Its totient is φ = 75073216.

The previous prime is 75073183. The next prime is 75073261. The reversal of 75073217 is 71237057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74632321 + 440896 = 8639^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 75073217 - 2¹² = 75069121 is a prime.

It is not a weakly prime, because it can be changed into another prime (75073267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37536608 + 37536609.

It is an arithmetic number, because the mean of its divisors is an integer number (37536609).

Almost surely, 2^75073217 is an apocalyptic number.

It is an amenable number.

75073217 is a deficient number, since it is larger than the sum of its proper divisors (1).

75073217 is an equidigital number, since it uses as much as digits as its factorization.

75073217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 75073217 is about 8664.4801921408. The cubic root of 75073217 is about 421.8535182624.

The spelling of 75073217 in words is "seventy-five million, seventy-three thousand, two hundred seventeen".