75500773 has 2 divisors, whose sum is σ = 75500774. Its totient is φ = 75500772.

The previous prime is 75500749. The next prime is 75500807. The reversal of 75500773 is 37700557.

It is an a-pointer prime, because the next prime (75500807) can be obtained adding 75500773 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 7306209 = 8258^2 + 2703^2 .

It is a cyclic number.

It is not a de Polignac number, because 75500773 - 2⁵ = 75500741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75500573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37750386 + 37750387.

It is an arithmetic number, because the mean of its divisors is an integer number (37750387).

Almost surely, 2^75500773 is an apocalyptic number.

It is an amenable number.

75500773 is a deficient number, since it is larger than the sum of its proper divisors (1).

75500773 is an equidigital number, since it uses as much as digits as its factorization.

75500773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25725, while the sum is 34.

The square root of 75500773 is about 8689.1180795291. The cubic root of 75500773 is about 422.6528476073.

The spelling of 75500773 in words is "seventy-five million, five hundred thousand, seven hundred seventy-three".