75824141 has 2 divisors, whose sum is σ = 75824142. Its totient is φ = 75824140.

The previous prime is 75824107. The next prime is 75824149. The reversal of 75824141 is 14142857.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 568516 = 8675^2 + 754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75824141 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75824098 and 75824107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75824149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37912070 + 37912071.

It is an arithmetic number, because the mean of its divisors is an integer number (37912071).

Almost surely, 2^75824141 is an apocalyptic number.

It is an amenable number.

75824141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75824141 is an equidigital number, since it uses as much as digits as its factorization.

75824141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 75824141 is about 8707.7058402314. The cubic root of 75824141 is about 423.2553921995.

Adding to 75824141 its reverse (14142857), we get a palindrome (89966998).

The spelling of 75824141 in words is "seventy-five million, eight hundred twenty-four thousand, one hundred forty-one".