75581741 has 2 divisors, whose sum is σ = 75581742. Its totient is φ = 75581740.

The previous prime is 75581707. The next prime is 75581747. The reversal of 75581741 is 14718557.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 3076516 = 8515^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 75581741 - 2¹⁸ = 75319597 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75581695 and 75581704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75581747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37790870 + 37790871.

It is an arithmetic number, because the mean of its divisors is an integer number (37790871).

Almost surely, 2^75581741 is an apocalyptic number.

It is an amenable number.

75581741 is a deficient number, since it is larger than the sum of its proper divisors (1).

75581741 is an equidigital number, since it uses as much as digits as its factorization.

75581741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 38.

The square root of 75581741 is about 8693.7759920532. The cubic root of 75581741 is about 422.8038797471.

The spelling of 75581741 in words is "seventy-five million, five hundred eighty-one thousand, seven hundred forty-one".