753805345 has 4 divisors (see below), whose sum is σ = 904566420. Its totient is φ = 603044272.

The previous prime is 753805303. The next prime is 753805361. The reversal of 753805345 is 543508357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96805921 + 656999424 = 9839^2 + 25632^2 .

It is a cyclic number.

It is not a de Polignac number, because 753805345 - 2⁹ = 753804833 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 753805298 and 753805307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75380530 + ... + 75380539.

It is an arithmetic number, because the mean of its divisors is an integer number (226141605).

Almost surely, 2^753805345 is an apocalyptic number.

It is an amenable number.

753805345 is a deficient number, since it is larger than the sum of its proper divisors (150761075).

753805345 is a wasteful number, since it uses less digits than its factorization.

753805345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150761074.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 753805345 is about 27455.5157482062. The cubic root of 753805345 is about 910.0943206183.

The spelling of 753805345 in words is "seven hundred fifty-three million, eight hundred five thousand, three hundred forty-five".