75281152 has 18 divisors (see below), whose sum is σ = 150268748. Its totient is φ = 37640448.

The previous prime is 75281119. The next prime is 75281159. The reversal of 75281152 is 25118257.

It is not an unprimeable number, because it can be changed into a prime (75281159) by changing a digit.

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 as a sum of consecutive naturals, namely, 146778 + ... + 147289.

Almost surely, 2^75281152 is an apocalyptic number.

It is an amenable number.

75281152 is a deficient number, since it is larger than the sum of its proper divisors (74987596).

75281152 is an equidigital number, since it uses as much as digits as its factorization.

75281152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294083 (or 294069 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 75281152 is about 8676.4711720837. The cubic root of 75281152 is about 422.2426372811.

The spelling of 75281152 in words is "seventy-five million, two hundred eighty-one thousand, one hundred fifty-two".