75752533 has 2 divisors, whose sum is σ = 75752534. Its totient is φ = 75752532.

The previous prime is 75752531. The next prime is 75752581. The reversal of 75752533 is 33525757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 7739524 = 8247^2 + 2782^2 .

It is an emirp because it is prime and its reverse (33525757) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75752533 - 2¹ = 75752531 is a prime.

Together with 75752531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 75752492 and 75752501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75752531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37876266 + 37876267.

It is an arithmetic number, because the mean of its divisors is an integer number (37876267).

Almost surely, 2^75752533 is an apocalyptic number.

It is an amenable number.

75752533 is a deficient number, since it is larger than the sum of its proper divisors (1).

75752533 is an equidigital number, since it uses as much as digits as its factorization.

75752533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110250, while the sum is 37.

The square root of 75752533 is about 8703.5931085960. The cubic root of 75752533 is about 423.1221100293.

The spelling of 75752533 in words is "seventy-five million, seven hundred fifty-two thousand, five hundred thirty-three".