7472579669 has 4 divisors (see below), whose sum is σ = 7730254860. Its totient is φ = 7214904480.

The previous prime is 7472579663. The next prime is 7472579677. The reversal of 7472579669 is 9669752747.

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 6271056100 + 1201523569 = 79190^2 + 34663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7472579669 is a prime.

It is a super-2 number, since 2×7472579669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7472579663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128837552 + ... + 128837609.

It is an arithmetic number, because the mean of its divisors is an integer number (1932563715).

Almost surely, 2^7472579669 is an apocalyptic number.

It is an amenable number.

7472579669 is a deficient number, since it is larger than the sum of its proper divisors (257675191).

7472579669 is a wasteful number, since it uses less digits than its factorization.

7472579669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257675190.

The product of its digits is 40007520, while the sum is 62.

The square root of 7472579669 is about 86444.0840601600. The cubic root of 7472579669 is about 1955.0454193698.

The spelling of 7472579669 in words is "seven billion, four hundred seventy-two million, five hundred seventy-nine thousand, six hundred sixty-nine".