75542017 has 2 divisors, whose sum is σ = 75542018. Its totient is φ = 75542016.

The previous prime is 75542003. The next prime is 75542023. The reversal of 75542017 is 71024557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 18524416 = 7551^2 + 4304^2 .

It is a cyclic number.

It is not a de Polignac number, because 75542017 - 2¹⁹ = 75017729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75542017.

It is not a weakly prime, because it can be changed into another prime (75542057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37771008 + 37771009.

It is an arithmetic number, because the mean of its divisors is an integer number (37771009).

Almost surely, 2^75542017 is an apocalyptic number.

It is an amenable number.

75542017 is a deficient number, since it is larger than the sum of its proper divisors (1).

75542017 is an equidigital number, since it uses as much as digits as its factorization.

75542017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 75542017 is about 8691.4910688558. The cubic root of 75542017 is about 422.7297948143.

The spelling of 75542017 in words is "seventy-five million, five hundred forty-two thousand, seventeen".