756474445 has 4 divisors (see below), whose sum is σ = 907769340. Its totient is φ = 605179552.

The previous prime is 756474443. The next prime is 756474503. The reversal of 756474445 is 544474657.

756474445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544474657 = 17 ⋅32027921.

It can be written as a sum of positive squares in 2 ways, for example, as 477116649 + 279357796 = 21843^2 + 16714^2 .

It is a cyclic number.

It is not a de Polignac number, because 756474445 - 2¹ = 756474443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 756474395 and 756474404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756474443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75647440 + ... + 75647449.

It is an arithmetic number, because the mean of its divisors is an integer number (226942335).

Almost surely, 2^756474445 is an apocalyptic number.

It is an amenable number.

756474445 is a deficient number, since it is larger than the sum of its proper divisors (151294895).

756474445 is a wasteful number, since it uses less digits than its factorization.

756474445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151294894.

The product of its digits is 1881600, while the sum is 46.

The square root of 756474445 is about 27504.0805154435. The cubic root of 756474445 is about 911.1672197611.

The spelling of 756474445 in words is "seven hundred fifty-six million, four hundred seventy-four thousand, four hundred forty-five".