7504664057 has 12 divisors (see below), whose sum is σ = 8254588608. Its totient is φ = 6817740600.

The previous prime is 7504664039. The next prime is 7504664107.

7504664057 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7504664057 - 2²⁶ = 7437555193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7504663999 and 7504664017.

It is not an unprimeable number, because it can be changed into a prime (7504664017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162308 + ... + 203354.

It is an arithmetic number, because the mean of its divisors is an integer number (687882384).

Almost surely, 2^7504664057 is an apocalyptic number.

It is an amenable number.

7504664057 is a deficient number, since it is larger than the sum of its proper divisors (749924551).

7504664057 is a wasteful number, since it uses less digits than its factorization.

7504664057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42580 (or 42569 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 7504664057 is about 86629.4641389406. The cubic root of 7504664057 is about 1957.8394957436.

The spelling of 7504664057 in words is "seven billion, five hundred four million, six hundred sixty-four thousand, fifty-seven".