75853457 has 2 divisors, whose sum is σ = 75853458. Its totient is φ = 75853456.

The previous prime is 75853433. The next prime is 75853483. The reversal of 75853457 is 75435857.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68541841 + 7311616 = 8279^2 + 2704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75853457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75853487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37926728 + 37926729.

It is an arithmetic number, because the mean of its divisors is an integer number (37926729).

Almost surely, 2^75853457 is an apocalyptic number.

It is an amenable number.

75853457 is a deficient number, since it is larger than the sum of its proper divisors (1).

75853457 is an equidigital number, since it uses as much as digits as its factorization.

75853457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 44.

The square root of 75853457 is about 8709.3890141617. The cubic root of 75853457 is about 423.3099331242.

The spelling of 75853457 in words is "seventy-five million, eight hundred fifty-three thousand, four hundred fifty-seven".