75404441 has 8 divisors (see below), whose sum is σ = 86394624. Its totient is φ = 64468800.

The previous prime is 75404423. The next prime is 75404471. The reversal of 75404441 is 14440457.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75404441 - 2¹⁰ = 75403417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75404411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10625 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (10799328).

Almost surely, 2^75404441 is an apocalyptic number.

It is an amenable number.

75404441 is a deficient number, since it is larger than the sum of its proper divisors (10990183).

75404441 is a wasteful number, since it uses less digits than its factorization.

75404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 75404441 is about 8683.5730549124. The cubic root of 75404441 is about 422.4730157947.

Adding to 75404441 its reverse (14440457), we get a palindrome (89844898).

The spelling of 75404441 in words is "seventy-five million, four hundred four thousand, four hundred forty-one".