7544480537 has 16 divisors (see below), whose sum is σ = 8726788800. Its totient is φ = 6450186240.

The previous prime is 7544480521. The next prime is 7544480551. The reversal of 7544480537 is 7350844457.

It is a cyclic number.

It is not a de Polignac number, because 7544480537 - 2⁴ = 7544480521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7544480491 and 7544480500.

It is not an unprimeable number, because it can be changed into a prime (7544480737) 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 15 ways as a sum of consecutive naturals, for example, 103112 + ... + 160377.

It is an arithmetic number, because the mean of its divisors is an integer number (545424300).

Almost surely, 2^7544480537 is an apocalyptic number.

It is an amenable number.

7544480537 is a deficient number, since it is larger than the sum of its proper divisors (1182308263).

7544480537 is a wasteful number, since it uses less digits than its factorization.

7544480537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263656.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The square root of 7544480537 is about 86858.9692374944. The cubic root of 7544480537 is about 1961.2958715673.

The spelling of 7544480537 in words is "seven billion, five hundred forty-four million, four hundred eighty thousand, five hundred thirty-seven".