741565561 has 12 divisors (see below), whose sum is σ = 817805296. Its totient is φ = 671920920.

The previous prime is 741565537. The next prime is 741565571. The reversal of 741565561 is 165565147.

741565561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 741565561 - 2⁵ = 741565529 is a prime.

It is a super-2 number, since 2×741565561² = 1099838962522489442, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (741565501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27166 + ... + 47128.

Almost surely, 2^741565561 is an apocalyptic number.

It is an amenable number.

741565561 is a deficient number, since it is larger than the sum of its proper divisors (76239735).

741565561 is a wasteful number, since it uses less digits than its factorization.

741565561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20292 (or 20281 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 741565561 is about 27231.7013974522. The cubic root of 741565561 is about 905.1415836197.

The spelling of 741565561 in words is "seven hundred forty-one million, five hundred sixty-five thousand, five hundred sixty-one".