75423827 has 2 divisors, whose sum is σ = 75423828. Its totient is φ = 75423826.

The previous prime is 75423793. The next prime is 75423839. The reversal of 75423827 is 72832457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75423827 - 2⁸ = 75423571 is a prime.

It is not a weakly prime, because it can be changed into another prime (75423847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711913 + 37711914.

It is an arithmetic number, because the mean of its divisors is an integer number (37711914).

Almost surely, 2^75423827 is an apocalyptic number.

75423827 is a deficient number, since it is larger than the sum of its proper divisors (1).

75423827 is an equidigital number, since it uses as much as digits as its factorization.

75423827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 75423827 is about 8684.6892287519. The cubic root of 75423827 is about 422.5092177301.

The spelling of 75423827 in words is "seventy-five million, four hundred twenty-three thousand, eight hundred twenty-seven".