75512 has 8 divisors (see below), whose sum is σ = 141600. Its totient is φ = 37752.

The previous prime is 75511. The next prime is 75521. The reversal of 75512 is 21557.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4712 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (17700).

2⁷⁵⁵¹² is an apocalyptic number.

It is an amenable number.

75512 is a deficient number, since it is larger than the sum of its proper divisors (66088).

75512 is a wasteful number, since it uses less digits than its factorization.

75512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445 (or 9441 counting only the distinct ones).

The product of its digits is 350, while the sum is 20.

The square root of 75512 is about 274.7944686488. The cubic root of 75512 is about 42.2673796127.

It can be divided in two parts, 755 and 12, that added together give a palindrome (767).

The spelling of 75512 in words is "seventy-five thousand, five hundred twelve".