7795561 has 6 divisors (see below), whose sum is σ = 7967210. Its totient is φ = 7627536.

The previous prime is 7795559. The next prime is 7795573. The reversal of 7795561 is 1655977.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 2706025 = 2256^2 + 1645^2 .

It is not a de Polignac number, because 7795561 - 2¹ = 7795559 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (7795511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445 + ... + 3973.

Almost surely, 2^7795561 is an apocalyptic number.

It is an amenable number.

7795561 is a deficient number, since it is larger than the sum of its proper divisors (171649).

7795561 is an equidigital number, since it uses as much as digits as its factorization.

7795561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3576 counting only the distinct ones).

The product of its digits is 66150, while the sum is 40.

The square root of 7795561 is about 2792.0531871725. The cubic root of 7795561 is about 198.2816197981.

The spelling of 7795561 in words is "seven million, seven hundred ninety-five thousand, five hundred sixty-one".