75684667 has 2 divisors, whose sum is σ = 75684668. Its totient is φ = 75684666.

The previous prime is 75684613. The next prime is 75684677. The reversal of 75684667 is 76648657.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75684667 - 2¹¹ = 75682619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75684667.

It is not a weakly prime, because it can be changed into another prime (75684677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37842333 + 37842334.

It is an arithmetic number, because the mean of its divisors is an integer number (37842334).

Almost surely, 2^75684667 is an apocalyptic number.

75684667 is a deficient number, since it is larger than the sum of its proper divisors (1).

75684667 is an equidigital number, since it uses as much as digits as its factorization.

75684667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 75684667 is about 8699.6935003482. The cubic root of 75684667 is about 422.9957152031.

The spelling of 75684667 in words is "seventy-five million, six hundred eighty-four thousand, six hundred sixty-seven".