75387967 has 2 divisors, whose sum is σ = 75387968. Its totient is φ = 75387966.

The previous prime is 75387959. The next prime is 75387973. The reversal of 75387967 is 76978357.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75387967 - 2³ = 75387959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75387937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37693983 + 37693984.

It is an arithmetic number, because the mean of its divisors is an integer number (37693984).

Almost surely, 2^75387967 is an apocalyptic number.

75387967 is a deficient number, since it is larger than the sum of its proper divisors (1).

75387967 is an equidigital number, since it uses as much as digits as its factorization.

75387967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 52.

The square root of 75387967 is about 8682.6244304358. The cubic root of 75387967 is about 422.4422469289.

The spelling of 75387967 in words is "seventy-five million, three hundred eighty-seven thousand, nine hundred sixty-seven".