75332144 has 20 divisors (see below), whose sum is σ = 148431720. Its totient is φ = 37027200.

The previous prime is 75332141. The next prime is 75332161. The reversal of 75332144 is 44123357.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75332141) 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, 38957 + ... + 40844.

It is an arithmetic number, because the mean of its divisors is an integer number (7421586).

Almost surely, 2^75332144 is an apocalyptic number.

It is an amenable number.

75332144 is a deficient number, since it is larger than the sum of its proper divisors (73099576).

75332144 is a wasteful number, since it uses less digits than its factorization.

75332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79868 (or 79862 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 75332144 is about 8679.4091964834. The cubic root of 75332144 is about 422.3379516966.

The spelling of 75332144 in words is "seventy-five million, three hundred thirty-two thousand, one hundred forty-four".