75481522 has 16 divisors (see below), whose sum is σ = 115474752. Its totient is φ = 36994320.

The previous prime is 75481507. The next prime is 75481529. The reversal of 75481522 is 22518457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75481529) 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, 41443 + ... + 43225.

It is an arithmetic number, because the mean of its divisors is an integer number (7217172).

Almost surely, 2^75481522 is an apocalyptic number.

75481522 is a deficient number, since it is larger than the sum of its proper divisors (39993230).

75481522 is a wasteful number, since it uses less digits than its factorization.

75481522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its digits is 22400, while the sum is 34.

The square root of 75481522 is about 8688.0102440087. The cubic root of 75481522 is about 422.6169222285.

Adding to 75481522 its reverse (22518457), we get a palindrome (97999979).

The spelling of 75481522 in words is "seventy-five million, four hundred eighty-one thousand, five hundred twenty-two".