75411442 has 8 divisors (see below), whose sum is σ = 113183532. Its totient is φ = 37683600.

The previous prime is 75411407. The next prime is 75411449. The reversal of 75411442 is 24411457.

It can be written as a sum of positive squares in 2 ways, for example, as 43046721 + 32364721 = 6561^2 + 5689^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 75411442.

It is not an unprimeable number, because it can be changed into a prime (75411449) 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, 6409 + ... + 13852.

Almost surely, 2^75411442 is an apocalyptic number.

75411442 is a deficient number, since it is larger than the sum of its proper divisors (37772090).

75411442 is a wasteful number, since it uses less digits than its factorization.

75411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124.

The product of its digits is 4480, while the sum is 28.

The square root of 75411442 is about 8683.9761630258. The cubic root of 75411442 is about 422.4860903652.

Adding to 75411442 its reverse (24411457), we get a palindrome (99822899).

It can be divided in two parts, 754 and 11442, that multiplied together give a palindrome (8627268).

The spelling of 75411442 in words is "seventy-five million, four hundred eleven thousand, four hundred forty-two".