7641460561 has 8 divisors (see below), whose sum is σ = 8733669824. Its totient is φ = 6549394320.

The previous prime is 7641460433. The next prime is 7641460573. The reversal of 7641460561 is 1650641467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7641460561 - 2⁷ = 7641460433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7641460861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129946 + ... + 179356.

It is an arithmetic number, because the mean of its divisors is an integer number (1091708728).

Almost surely, 2^7641460561 is an apocalyptic number.

It is an amenable number.

7641460561 is a deficient number, since it is larger than the sum of its proper divisors (1092209263).

7641460561 is a wasteful number, since it uses less digits than its factorization.

7641460561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71511.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 7641460561 is about 87415.4480684049. The cubic root of 7641460561 is about 1969.6639004206.

The spelling of 7641460561 in words is "seven billion, six hundred forty-one million, four hundred sixty thousand, five hundred sixty-one".