7541520422 has 16 divisors (see below), whose sum is σ = 11344499712. Its totient is φ = 3760032840.

The previous prime is 7541520379. The next prime is 7541520461. The reversal of 7541520422 is 2240251457.

It is a super-3 number, since 3×7541520422³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493203 + ... + 2496225.

It is an arithmetic number, because the mean of its divisors is an integer number (709031232).

Almost surely, 2^7541520422 is an apocalyptic number.

7541520422 is a deficient number, since it is larger than the sum of its proper divisors (3802979290).

7541520422 is a wasteful number, since it uses less digits than its factorization.

7541520422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 7541520422 is about 86841.9277883673. The cubic root of 7541520422 is about 1961.0393299027.

Adding to 7541520422 its reverse (2240251457), we get a palindrome (9781771879).

The spelling of 7541520422 in words is "seven billion, five hundred forty-one million, five hundred twenty thousand, four hundred twenty-two".