75224117 has 2 divisors, whose sum is σ = 75224118. Its totient is φ = 75224116.

The previous prime is 75224101. The next prime is 75224131. The reversal of 75224117 is 71142257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 7474756 = 8231^2 + 2734^2 .

It is a cyclic number.

It is not a de Polignac number, because 75224117 - 2⁴ = 75224101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75224117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75223117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37612058 + 37612059.

It is an arithmetic number, because the mean of its divisors is an integer number (37612059).

Almost surely, 2^75224117 is an apocalyptic number.

It is an amenable number.

75224117 is a deficient number, since it is larger than the sum of its proper divisors (1).

75224117 is an equidigital number, since it uses as much as digits as its factorization.

75224117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 29.

The square root of 75224117 is about 8673.1837868225. The cubic root of 75224117 is about 422.1359762616.

The spelling of 75224117 in words is "seventy-five million, two hundred twenty-four thousand, one hundred seventeen".