7572563961 has 4 divisors (see below), whose sum is σ = 10096751952. Its totient is φ = 5048375972.

The previous prime is 7572563951. The next prime is 7572563989. The reversal of 7572563961 is 1693652757.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7572563961 - 2³¹ = 5425080313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7572563941) 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 3 ways as a sum of consecutive naturals, for example, 1262093991 + ... + 1262093996.

It is an arithmetic number, because the mean of its divisors is an integer number (2524187988).

Almost surely, 2^7572563961 is an apocalyptic number.

It is an amenable number.

7572563961 is a deficient number, since it is larger than the sum of its proper divisors (2524187991).

7572563961 is a wasteful number, since it uses less digits than its factorization.

7572563961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524187990.

The product of its digits is 2381400, while the sum is 51.

The square root of 7572563961 is about 87020.4801239340. The cubic root of 7572563961 is about 1963.7264211364.

The spelling of 7572563961 in words is "seven billion, five hundred seventy-two million, five hundred sixty-three thousand, nine hundred sixty-one".