75713909 has 2 divisors, whose sum is σ = 75713910. Its totient is φ = 75713908.

The previous prime is 75713887. The next prime is 75713923. The reversal of 75713909 is 90931757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39413284 + 36300625 = 6278^2 + 6025^2 .

It is a cyclic number.

It is not a de Polignac number, because 75713909 - 2¹⁶ = 75648373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75713509) 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, 37856954 + 37856955.

It is an arithmetic number, because the mean of its divisors is an integer number (37856955).

Almost surely, 2^75713909 is an apocalyptic number.

It is an amenable number.

75713909 is a deficient number, since it is larger than the sum of its proper divisors (1).

75713909 is an equidigital number, since it uses as much as digits as its factorization.

75713909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 75713909 is about 8701.3739719656. The cubic root of 75713909 is about 423.0501852761.

The spelling of 75713909 in words is "seventy-five million, seven hundred thirteen thousand, nine hundred nine".