755985073 has 6 divisors (see below), whose sum is σ = 776970726. Its totient is φ = 735551712.

The previous prime is 755985059. The next prime is 755985077. The reversal of 755985073 is 370589557.

It can be written as a sum of positive squares in 3 ways, for example, as 638219169 + 117765904 = 25263^2 + 10852^2 .

It is not a de Polignac number, because 755985073 - 2⁹ = 755984561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755985077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274740 + ... + 277477.

It is an arithmetic number, because the mean of its divisors is an integer number (129495121).

Almost surely, 2^755985073 is an apocalyptic number.

It is an amenable number.

755985073 is a deficient number, since it is larger than the sum of its proper divisors (20985653).

755985073 is an equidigital number, since it uses as much as digits as its factorization.

755985073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552291 (or 552254 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

The square root of 755985073 is about 27495.1827235245. The cubic root of 755985073 is about 910.9706958667.

The spelling of 755985073 in words is "seven hundred fifty-five million, nine hundred eighty-five thousand, seventy-three".