75443741 has 4 divisors (see below), whose sum is σ = 75513984. Its totient is φ = 75373500.

The previous prime is 75443717. The next prime is 75443747. The reversal of 75443741 is 14734457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14734457 = 41 ⋅359377.

It is a cyclic number.

It is not a de Polignac number, because 75443741 - 2¹⁴ = 75427357 is a prime.

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 (75443747) 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, 33485 + ... + 35666.

It is an arithmetic number, because the mean of its divisors is an integer number (18878496).

Almost surely, 2^75443741 is an apocalyptic number.

It is an amenable number.

75443741 is a deficient number, since it is larger than the sum of its proper divisors (70243).

75443741 is a wasteful number, since it uses less digits than its factorization.

75443741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70242.

The product of its digits is 47040, while the sum is 35.

The square root of 75443741 is about 8685.8356535223. The cubic root of 75443741 is about 422.5463992085.

The spelling of 75443741 in words is "seventy-five million, four hundred forty-three thousand, seven hundred forty-one".