75208069 has 2 divisors, whose sum is σ = 75208070. Its totient is φ = 75208068.

The previous prime is 75208019. The next prime is 75208073. The reversal of 75208069 is 96080257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 36457444 = 6225^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 75208069 - 2⁹ = 75207557 is a prime.

It is a super-2 number, since 2×75208069² = 11312507285417522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75208019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37604034 + 37604035.

It is an arithmetic number, because the mean of its divisors is an integer number (37604035).

Almost surely, 2^75208069 is an apocalyptic number.

It is an amenable number.

75208069 is a deficient number, since it is larger than the sum of its proper divisors (1).

75208069 is an equidigital number, since it uses as much as digits as its factorization.

75208069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 75208069 is about 8672.2585870118. The cubic root of 75208069 is about 422.1059552160.

The spelling of 75208069 in words is "seventy-five million, two hundred eight thousand, sixty-nine".