75865967 has 2 divisors, whose sum is σ = 75865968. Its totient is φ = 75865966.

The previous prime is 75865963. The next prime is 75865973. The reversal of 75865967 is 76956857.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75865967 - 2² = 75865963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75865963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37932983 + 37932984.

It is an arithmetic number, because the mean of its divisors is an integer number (37932984).

Almost surely, 2^75865967 is an apocalyptic number.

75865967 is a deficient number, since it is larger than the sum of its proper divisors (1).

75865967 is an equidigital number, since it uses as much as digits as its factorization.

75865967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 53.

The square root of 75865967 is about 8710.1071750008. The cubic root of 75865967 is about 423.3332030641. Note that the first 3 decimals are identical.

The spelling of 75865967 in words is "seventy-five million, eight hundred sixty-five thousand, nine hundred sixty-seven".