75361963 has 2 divisors, whose sum is σ = 75361964. Its totient is φ = 75361962.

The previous prime is 75361943. The next prime is 75361991. The reversal of 75361963 is 36916357.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75361963 is a prime.

It is not a weakly prime, because it can be changed into another prime (75361943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37680981 + 37680982.

It is an arithmetic number, because the mean of its divisors is an integer number (37680982).

Almost surely, 2^75361963 is an apocalyptic number.

75361963 is a deficient number, since it is larger than the sum of its proper divisors (1).

75361963 is an equidigital number, since it uses as much as digits as its factorization.

75361963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 75361963 is about 8681.1268277799. The cubic root of 75361963 is about 422.3936695412.

The spelling of 75361963 in words is "seventy-five million, three hundred sixty-one thousand, nine hundred sixty-three".