75663412 has 12 divisors (see below), whose sum is σ = 144448416. Its totient is φ = 34392440.

The previous prime is 75663403. The next prime is 75663433. The reversal of 75663412 is 21436657.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859768 + ... + 859855.

It is an arithmetic number, because the mean of its divisors is an integer number (12037368).

Almost surely, 2^75663412 is an apocalyptic number.

It is an amenable number.

75663412 is a deficient number, since it is larger than the sum of its proper divisors (68785004).

75663412 is a wasteful number, since it uses less digits than its factorization.

75663412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719638 (or 1719636 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 75663412 is about 8698.4718198084. The cubic root of 75663412 is about 422.9561139819.

The spelling of 75663412 in words is "seventy-five million, six hundred sixty-three thousand, four hundred twelve".