75683663 has 12 divisors (see below), whose sum is σ = 84647544. Its totient is φ = 67108800.

The previous prime is 75683653. The next prime is 75683681. The reversal of 75683663 is 36638657.

It is not a de Polignac number, because 75683663 - 2¹² = 75679567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75683653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16445 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (7053962).

Almost surely, 2^75683663 is an apocalyptic number.

75683663 is a deficient number, since it is larger than the sum of its proper divisors (8963881).

75683663 is a wasteful number, since it uses less digits than its factorization.

75683663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186 (or 4145 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 75683663 is about 8699.6357969745. The cubic root of 75683663 is about 422.9938447688.

The spelling of 75683663 in words is "seventy-five million, six hundred eighty-three thousand, six hundred sixty-three".