7076561 has 4 divisors (see below), whose sum is σ = 7088052. Its totient is φ = 7065072.

The previous prime is 7076543. The next prime is 7076581. The reversal of 7076561 is 1656707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 5499025 = 1256^2 + 2345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7076561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7076501) 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, 4766 + ... + 6071.

It is an arithmetic number, because the mean of its divisors is an integer number (1772013).

Almost surely, 2^7076561 is an apocalyptic number.

It is an amenable number.

7076561 is a deficient number, since it is larger than the sum of its proper divisors (11491).

7076561 is a wasteful number, since it uses less digits than its factorization.

7076561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7076561 is about 2660.1806329646. The cubic root of 7076561 is about 191.9880001904.

The spelling of 7076561 in words is "seven million, seventy-six thousand, five hundred sixty-one".