75149713 has 2 divisors, whose sum is σ = 75149714. Its totient is φ = 75149712.

The previous prime is 75149699. The next prime is 75149719. The reversal of 75149713 is 31794157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45805824 + 29343889 = 6768^2 + 5417^2 .

It is a cyclic number.

It is not a de Polignac number, because 75149713 - 2¹⁷ = 75018641 is a prime.

It is not a weakly prime, because it can be changed into another prime (75149719) 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, 37574856 + 37574857.

It is an arithmetic number, because the mean of its divisors is an integer number (37574857).

Almost surely, 2^75149713 is an apocalyptic number.

It is an amenable number.

75149713 is a deficient number, since it is larger than the sum of its proper divisors (1).

75149713 is an equidigital number, since it uses as much as digits as its factorization.

75149713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 75149713 is about 8668.8934126565. The cubic root of 75149713 is about 421.9967524439.

The spelling of 75149713 in words is "seventy-five million, one hundred forty-nine thousand, seven hundred thirteen".