75840227 has 2 divisors, whose sum is σ = 75840228. Its totient is φ = 75840226.

The previous prime is 75840221. The next prime is 75840241. The reversal of 75840227 is 72204857.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75840227 - 2⁸ = 75839971 is a prime.

It is not a weakly prime, because it can be changed into another prime (75840221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37920113 + 37920114.

It is an arithmetic number, because the mean of its divisors is an integer number (37920114).

Almost surely, 2^75840227 is an apocalyptic number.

75840227 is a deficient number, since it is larger than the sum of its proper divisors (1).

75840227 is an equidigital number, since it uses as much as digits as its factorization.

75840227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 75840227 is about 8708.6294558903. The cubic root of 75840227 is about 423.2853211233.

It can be divided in two parts, 75840 and 227, that added together give a palindrome (76067).

The spelling of 75840227 in words is "seventy-five million, eight hundred forty thousand, two hundred twenty-seven".