750000073 has 2 divisors, whose sum is σ = 750000074. Its totient is φ = 750000072.

The previous prime is 750000007. The next prime is 750000089. The reversal of 750000073 is 370000057.

750000073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541399824 + 208600249 = 23268^2 + 14443^2 .

It is a cyclic number.

It is not a de Polignac number, because 750000073 - 2⁹ = 749999561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749999999 and 750000053.

It is not a weakly prime, because it can be changed into another prime (750000773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375000036 + 375000037.

It is an arithmetic number, because the mean of its divisors is an integer number (375000037).

Almost surely, 2^750000073 is an apocalyptic number.

It is an amenable number.

750000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

750000073 is an equidigital number, since it uses as much as digits as its factorization.

750000073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 750000073 is about 27386.1292080498. The cubic root of 750000073 is about 908.5603258938.

The spelling of 750000073 in words is "seven hundred fifty million, seventy-three", and thus it is an aban number.