7006744561 has 4 divisors (see below), whose sum is σ = 7006912624. Its totient is φ = 7006576500.

The previous prime is 7006744543. The next prime is 7006744571. The reversal of 7006744561 is 1654476007.

7006744561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7006744561 - 2⁵ = 7006744529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7006744571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30946 + ... + 122356.

It is an arithmetic number, because the mean of its divisors is an integer number (1751728156).

Almost surely, 2^7006744561 is an apocalyptic number.

It is an amenable number.

7006744561 is a deficient number, since it is larger than the sum of its proper divisors (168063).

7006744561 is an equidigital number, since it uses as much as digits as its factorization.

7006744561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168062.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 7006744561 is about 83706.2994104984. The cubic root of 7006744561 is about 1913.5453608474.

The spelling of 7006744561 in words is "seven billion, six million, seven hundred forty-four thousand, five hundred sixty-one".