75401212 has 12 divisors (see below), whose sum is σ = 132067936. Its totient is φ = 37667520.

The previous prime is 75401203. The next prime is 75401213. The reversal of 75401212 is 21210457.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75401213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2733 + ... + 12580.

Almost surely, 2^75401212 is an apocalyptic number.

It is an amenable number.

75401212 is a deficient number, since it is larger than the sum of its proper divisors (56666724).

75401212 is a wasteful number, since it uses less digits than its factorization.

75401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16548 (or 16546 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 75401212 is about 8683.3871271526. The cubic root of 75401212 is about 422.4669852708.

Adding to 75401212 its reverse (21210457), we get a palindrome (96611669).

The spelling of 75401212 in words is "seventy-five million, four hundred one thousand, two hundred twelve".