75072441 has 8 divisors (see below), whose sum is σ = 100144000. Its totient is φ = 50024592.

The previous prime is 75072407. The next prime is 75072443. The reversal of 75072441 is 14427057.

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

It is not a de Polignac number, because 75072441 - 2⁹ = 75071929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75072399 and 75072408.

It is not an unprimeable number, because it can be changed into a prime (75072443) 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, 3696 + ... + 12798.

It is an arithmetic number, because the mean of its divisors is an integer number (12518000).

Almost surely, 2^75072441 is an apocalyptic number.

It is an amenable number.

75072441 is a deficient number, since it is larger than the sum of its proper divisors (25071559).

75072441 is a wasteful number, since it uses less digits than its factorization.

75072441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 75072441 is about 8664.4354114968. The cubic root of 75072441 is about 421.8520647504.

Adding to 75072441 its reverse (14427057), we get a palindrome (89499498).

The spelling of 75072441 in words is "seventy-five million, seventy-two thousand, four hundred forty-one".