75448452 has 12 divisors (see below), whose sum is σ = 176046416. Its totient is φ = 25149480.

The previous prime is 75448421. The next prime is 75448453. The reversal of 75448452 is 25484457.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75448452.

It is not an unprimeable number, because it can be changed into a prime (75448453) 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 in 3 ways as a sum of consecutive naturals, for example, 3143674 + ... + 3143697.

Almost surely, 2^75448452 is an apocalyptic number.

It is an amenable number.

75448452 is an abundant number, since it is smaller than the sum of its proper divisors (100597964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75448452 is a wasteful number, since it uses less digits than its factorization.

75448452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287378 (or 6287376 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 75448452 is about 8686.1068379338. The cubic root of 75448452 is about 422.5551941711. Note that the first 3 decimals are identical.

The spelling of 75448452 in words is "seventy-five million, four hundred forty-eight thousand, four hundred fifty-two".