75252733 has 2 divisors, whose sum is σ = 75252734. Its totient is φ = 75252732.

The previous prime is 75252721. The next prime is 75252763. The reversal of 75252733 is 33725257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 2968729 = 8502^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 75252733 - 2¹⁷ = 75121661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75252713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37626366 + 37626367.

It is an arithmetic number, because the mean of its divisors is an integer number (37626367).

Almost surely, 2^75252733 is an apocalyptic number.

It is an amenable number.

75252733 is a deficient number, since it is larger than the sum of its proper divisors (1).

75252733 is an equidigital number, since it uses as much as digits as its factorization.

75252733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 34.

The square root of 75252733 is about 8674.8333125196. The cubic root of 75252733 is about 422.1894977125.

The spelling of 75252733 in words is "seventy-five million, two hundred fifty-two thousand, seven hundred thirty-three".