7472589561 has 6 divisors (see below), whose sum is σ = 10793740490. Its totient is φ = 4981726368.

The previous prime is 7472589557. The next prime is 7472589569. The reversal of 7472589561 is 1659852747.

7472589561 is a `hidden beast` number, since 7 + 4 + 7 + 2 + 589 + 56 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7205463225 + 267126336 = 84885^2 + 16344^2 .

It is not a de Polignac number, because 7472589561 - 2² = 7472589557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7472589498 and 7472589507.

It is not an unprimeable number, because it can be changed into a prime (7472589569) 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, 415143856 + ... + 415143873.

Almost surely, 2^7472589561 is an apocalyptic number.

It is an amenable number.

7472589561 is a deficient number, since it is larger than the sum of its proper divisors (3321150929).

7472589561 is a wasteful number, since it uses less digits than its factorization.

7472589561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830287735 (or 830287732 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 7472589561 is about 86444.1412763179. The cubic root of 7472589561 is about 1955.0462820483.

The spelling of 7472589561 in words is "seven billion, four hundred seventy-two million, five hundred eighty-nine thousand, five hundred sixty-one".