75263971 has 2 divisors, whose sum is σ = 75263972. Its totient is φ = 75263970.

The previous prime is 75263941. The next prime is 75263977. The reversal of 75263971 is 17936257.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75263971 - 2¹³ = 75255779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75263977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37631985 + 37631986.

It is an arithmetic number, because the mean of its divisors is an integer number (37631986).

Almost surely, 2^75263971 is an apocalyptic number.

75263971 is a deficient number, since it is larger than the sum of its proper divisors (1).

75263971 is an equidigital number, since it uses as much as digits as its factorization.

75263971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 75263971 is about 8675.4810241277. The cubic root of 75263971 is about 422.2105128049.

The spelling of 75263971 in words is "seventy-five million, two hundred sixty-three thousand, nine hundred seventy-one".