75261442 has 8 divisors (see below), whose sum is σ = 113046336. Its totient is φ = 37579332.

The previous prime is 75261437. The next prime is 75261457. The reversal of 75261442 is 24416257.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23838 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (14130792).

Almost surely, 2^75261442 is an apocalyptic number.

75261442 is a deficient number, since it is larger than the sum of its proper divisors (37784894).

75261442 is a wasteful number, since it uses less digits than its factorization.

75261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51392.

The product of its digits is 13440, while the sum is 31.

The square root of 75261442 is about 8675.3352672966. The cubic root of 75261442 is about 422.2057837501.

Adding to 75261442 its reverse (24416257), we get a palindrome (99677699).

The spelling of 75261442 in words is "seventy-five million, two hundred sixty-one thousand, four hundred forty-two".