75863966 has 8 divisors (see below), whose sum is σ = 115494600. Its totient is φ = 37365768.

The previous prime is 75863951. The next prime is 75863989. The reversal of 75863966 is 66936857.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 282941 + ... + 283208.

It is an arithmetic number, because the mean of its divisors is an integer number (14436825).

Almost surely, 2^75863966 is an apocalyptic number.

75863966 is a deficient number, since it is larger than the sum of its proper divisors (39630634).

75863966 is a wasteful number, since it uses less digits than its factorization.

75863966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566218.

The product of its digits is 1632960, while the sum is 50.

The square root of 75863966 is about 8709.9923076889. The cubic root of 75863966 is about 423.3294811617.

The spelling of 75863966 in words is "seventy-five million, eight hundred sixty-three thousand, nine hundred sixty-six".