75750212 has 6 divisors (see below), whose sum is σ = 132562878. Its totient is φ = 37875104.

The previous prime is 75750209. The next prime is 75750221. The reversal of 75750212 is 21205757.

It can be written as a sum of positive squares in only one way, i.e., 73856836 + 1893376 = 8594^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9468773 + ... + 9468780.

It is an arithmetic number, because the mean of its divisors is an integer number (22093813).

Almost surely, 2^75750212 is an apocalyptic number.

It is an amenable number.

75750212 is a deficient number, since it is larger than the sum of its proper divisors (56812666).

75750212 is a wasteful number, since it uses less digits than its factorization.

75750212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18937557 (or 18937555 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75750212 is about 8703.4597718379. The cubic root of 75750212 is about 423.1177886053.

Adding to 75750212 its reverse (21205757), we get a palindrome (96955969).

The spelling of 75750212 in words is "seventy-five million, seven hundred fifty thousand, two hundred twelve".