75121363 has 2 divisors, whose sum is σ = 75121364. Its totient is φ = 75121362.

The previous prime is 75121327. The next prime is 75121373. The reversal of 75121363 is 36312157.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75121363 is a prime.

It is not a weakly prime, because it can be changed into another prime (75121373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37560681 + 37560682.

It is an arithmetic number, because the mean of its divisors is an integer number (37560682).

Almost surely, 2^75121363 is an apocalyptic number.

75121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

75121363 is an equidigital number, since it uses as much as digits as its factorization.

75121363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 75121363 is about 8667.2581016144. The cubic root of 75121363 is about 421.9436801070.

The spelling of 75121363 in words is "seventy-five million, one hundred twenty-one thousand, three hundred sixty-three".