7604561 has 8 divisors (see below), whose sum is σ = 7736040. Its totient is φ = 7474432.

The previous prime is 7604549. The next prime is 7604563. The reversal of 7604561 is 1654067.

It can be written as a sum of positive squares in 4 ways, for example, as 211600 + 7392961 = 460^2 + 2719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7604561 - 2⁶ = 7604497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7604563) 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, 19355 + ... + 19743.

It is an arithmetic number, because the mean of its divisors is an integer number (967005).

Almost surely, 2^7604561 is an apocalyptic number.

It is an amenable number.

7604561 is a deficient number, since it is larger than the sum of its proper divisors (131479).

7604561 is a wasteful number, since it uses less digits than its factorization.

7604561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7604561 is about 2757.6368506386. The cubic root of 7604561 is about 196.6488371592.

The spelling of 7604561 in words is "seven million, six hundred four thousand, five hundred sixty-one".