75690233 has 2 divisors, whose sum is σ = 75690234. Its totient is φ = 75690232.

The previous prime is 75690229. The next prime is 75690253. The reversal of 75690233 is 33209657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55905529 + 19784704 = 7477^2 + 4448^2 .

It is a cyclic number.

It is not a de Polignac number, because 75690233 - 2² = 75690229 is a prime.

It is a super-2 number, since 2×75690233² = 11458022743188578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75690193 and 75690202.

It is not a weakly prime, because it can be changed into another prime (75690253) 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, 37845116 + 37845117.

It is an arithmetic number, because the mean of its divisors is an integer number (37845117).

Almost surely, 2^75690233 is an apocalyptic number.

It is an amenable number.

75690233 is a deficient number, since it is larger than the sum of its proper divisors (1).

75690233 is an equidigital number, since it uses as much as digits as its factorization.

75690233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 75690233 is about 8700.0133907943. The cubic root of 75690233 is about 423.0060842625.

The spelling of 75690233 in words is "seventy-five million, six hundred ninety thousand, two hundred thirty-three".