75069913 has 2 divisors, whose sum is σ = 75069914. Its totient is φ = 75069912.

The previous prime is 75069901. The next prime is 75069919. The reversal of 75069913 is 31996057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 25887744 = 7013^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 75069913 - 2⁵ = 75069881 is a prime.

It is not a weakly prime, because it can be changed into another prime (75069919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37534956 + 37534957.

It is an arithmetic number, because the mean of its divisors is an integer number (37534957).

Almost surely, 2^75069913 is an apocalyptic number.

It is an amenable number.

75069913 is a deficient number, since it is larger than the sum of its proper divisors (1).

75069913 is an equidigital number, since it uses as much as digits as its factorization.

75069913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 75069913 is about 8664.2895265567. The cubic root of 75069913 is about 421.8473295285.

The spelling of 75069913 in words is "seventy-five million, sixty-nine thousand, nine hundred thirteen".