75146339 has 2 divisors, whose sum is σ = 75146340. Its totient is φ = 75146338.

The previous prime is 75146333. The next prime is 75146381. The reversal of 75146339 is 93364157.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75146339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75146333) 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, 37573169 + 37573170.

It is an arithmetic number, because the mean of its divisors is an integer number (37573170).

Almost surely, 2^75146339 is an apocalyptic number.

75146339 is a deficient number, since it is larger than the sum of its proper divisors (1).

75146339 is an equidigital number, since it uses as much as digits as its factorization.

75146339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 75146339 is about 8668.6988066261. The cubic root of 75146339 is about 421.9904368804.

The spelling of 75146339 in words is "seventy-five million, one hundred forty-six thousand, three hundred thirty-nine".