75371963 has 2 divisors, whose sum is σ = 75371964. Its totient is φ = 75371962.

The previous prime is 75371951. The next prime is 75371971. The reversal of 75371963 is 36917357.

It is a strong prime.

It is an emirp because it is prime and its reverse (36917357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75371963 - 2⁸ = 75371707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75371963.

It is not a weakly prime, because it can be changed into another prime (75371903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37685981 + 37685982.

It is an arithmetic number, because the mean of its divisors is an integer number (37685982).

Almost surely, 2^75371963 is an apocalyptic number.

75371963 is a deficient number, since it is larger than the sum of its proper divisors (1).

75371963 is an equidigital number, since it uses as much as digits as its factorization.

75371963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 41.

The square root of 75371963 is about 8681.7027707703. The cubic root of 75371963 is about 422.4123516001.

The spelling of 75371963 in words is "seventy-five million, three hundred seventy-one thousand, nine hundred sixty-three".