75463919 has 2 divisors, whose sum is σ = 75463920. Its totient is φ = 75463918.

The previous prime is 75463853. The next prime is 75463937. The reversal of 75463919 is 91936457.

It is a strong prime.

It is an emirp because it is prime and its reverse (91936457) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75463919 is a prime.

It is a super-2 number, since 2×75463919² = 11389606141677122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75463919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75463319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37731959 + 37731960.

It is an arithmetic number, because the mean of its divisors is an integer number (37731960).

Almost surely, 2^75463919 is an apocalyptic number.

75463919 is a deficient number, since it is larger than the sum of its proper divisors (1).

75463919 is an equidigital number, since it uses as much as digits as its factorization.

75463919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 75463919 is about 8686.9971221360. The cubic root of 75463919 is about 422.5840669289.

The spelling of 75463919 in words is "seventy-five million, four hundred sixty-three thousand, nine hundred nineteen".