75740141 has 4 divisors (see below), whose sum is σ = 78351900. Its totient is φ = 73128384.

The previous prime is 75740131. The next prime is 75740143. The reversal of 75740141 is 14104757.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14104757 = 907 ⋅15551.

It can be written as a sum of positive squares in 2 ways, for example, as 25542916 + 50197225 = 5054^2 + 7085^2 .

It is a cyclic number.

It is not a de Polignac number, because 75740141 - 2¹⁴ = 75723757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 2611729 = 75740141 / (7 + 5 + 7 + 4 + 0 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75740143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305836 + ... + 1305893.

It is an arithmetic number, because the mean of its divisors is an integer number (19587975).

Almost surely, 2^75740141 is an apocalyptic number.

It is an amenable number.

75740141 is a deficient number, since it is larger than the sum of its proper divisors (2611759).

75740141 is a wasteful number, since it uses less digits than its factorization.

75740141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611758.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 75740141 is about 8702.8811895831. The cubic root of 75740141 is about 423.0990365869.

Adding to 75740141 its reverse (14104757), we get a palindrome (89844898).

The spelling of 75740141 in words is "seventy-five million, seven hundred forty thousand, one hundred forty-one".