7472545317 has 12 divisors (see below), whose sum is σ = 10810523724. Its totient is φ = 4973921280.

The previous prime is 7472545291. The next prime is 7472545331. The reversal of 7472545317 is 7135452747.

7472545317 is a `hidden beast` number, since 7 + 4 + 72 + 545 + 31 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6608714436 + 863830881 = 81294^2 + 29391^2 .

It is not a de Polignac number, because 7472545317 - 2¹² = 7472541221 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7472545387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641878 + ... + 653415.

It is an arithmetic number, because the mean of its divisors is an integer number (900876977).

Almost surely, 2^7472545317 is an apocalyptic number.

It is an amenable number.

7472545317 is a deficient number, since it is larger than the sum of its proper divisors (3337978407).

7472545317 is a wasteful number, since it uses less digits than its factorization.

7472545317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295940 (or 1295937 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 7472545317 is about 86443.8853650158. The cubic root of 7472545317 is about 1955.0424235359.

The spelling of 7472545317 in words is "seven billion, four hundred seventy-two million, five hundred forty-five thousand, three hundred seventeen".