75535412 has 12 divisors (see below), whose sum is σ = 139144320. Its totient is φ = 35779896.

The previous prime is 75535379. The next prime is 75535417. The reversal of 75535412 is 21453557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75535417) 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, 496868 + ... + 497019.

It is an arithmetic number, because the mean of its divisors is an integer number (11595360).

Almost surely, 2^75535412 is an apocalyptic number.

It is an amenable number.

75535412 is a deficient number, since it is larger than the sum of its proper divisors (63608908).

75535412 is a wasteful number, since it uses less digits than its factorization.

75535412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993910 (or 993908 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 75535412 is about 8691.1110912242. Note that the first 3 decimals coincide. The cubic root of 75535412 is about 422.7174740256.

Adding to 75535412 its reverse (21453557), we get a palindrome (96988969).

The spelling of 75535412 in words is "seventy-five million, five hundred thirty-five thousand, four hundred twelve".