75694243 has 2 divisors, whose sum is σ = 75694244. Its totient is φ = 75694242.

The previous prime is 75694231. The next prime is 75694277. The reversal of 75694243 is 34249657.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75694243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75694196 and 75694205.

It is not a weakly prime, because it can be changed into another prime (75694543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37847121 + 37847122.

It is an arithmetic number, because the mean of its divisors is an integer number (37847122).

Almost surely, 2^75694243 is an apocalyptic number.

75694243 is a deficient number, since it is larger than the sum of its proper divisors (1).

75694243 is an equidigital number, since it uses as much as digits as its factorization.

75694243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 75694243 is about 8700.2438471574. The cubic root of 75694243 is about 423.0135542904.

The spelling of 75694243 in words is "seventy-five million, six hundred ninety-four thousand, two hundred forty-three".