75255407 has 2 divisors, whose sum is σ = 75255408. Its totient is φ = 75255406.

The previous prime is 75255391. The next prime is 75255419. The reversal of 75255407 is 70455257.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75255407 - 2⁴ = 75255391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75255007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37627703 + 37627704.

It is an arithmetic number, because the mean of its divisors is an integer number (37627704).

Almost surely, 2^75255407 is an apocalyptic number.

75255407 is a deficient number, since it is larger than the sum of its proper divisors (1).

75255407 is an equidigital number, since it uses as much as digits as its factorization.

75255407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 75255407 is about 8674.9874351494. The cubic root of 75255407 is about 422.1944982899.

The spelling of 75255407 in words is "seventy-five million, two hundred fifty-five thousand, four hundred seven".