4074073561 has 4 divisors (see below), whose sum is σ = 4075989300. Its totient is φ = 4072157824.

The previous prime is 4074073481. The next prime is 4074073583. The reversal of 4074073561 is 1653704704.

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 2360113561 + 1713960000 = 48581^2 + 41400^2 .

It is a cyclic number.

It is not a de Polignac number, because 4074073561 - 2²¹ = 4071976409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4074073561.

It is not an unprimeable number, because it can be changed into a prime (4074073061) 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, 954676 + ... + 958933.

It is an arithmetic number, because the mean of its divisors is an integer number (1018997325).

Almost surely, 2^4074073561 is an apocalyptic number.

It is an amenable number.

4074073561 is a deficient number, since it is larger than the sum of its proper divisors (1915739).

4074073561 is a wasteful number, since it uses less digits than its factorization.

4074073561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915738.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 4074073561 is about 63828.4698312595. The cubic root of 4074073561 is about 1597.1398853083.

The spelling of 4074073561 in words is "four billion, seventy-four million, seventy-three thousand, five hundred sixty-one".