3561840722 has 16 divisors (see below), whose sum is σ = 5831091072. Its totient is φ = 1618289520.

The previous prime is 3561840707. The next prime is 3561840739. The reversal of 3561840722 is 2270481653.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15143 + ... + 85749.

It is an arithmetic number, because the mean of its divisors is an integer number (364443192).

Almost surely, 2^3561840722 is an apocalyptic number.

3561840722 is a deficient number, since it is larger than the sum of its proper divisors (2269250350).

3561840722 is a wasteful number, since it uses less digits than its factorization.

3561840722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72913.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3561840722 is about 59681.1588526898. The cubic root of 3561840722 is about 1527.1844672788.

The spelling of 3561840722 in words is "three billion, five hundred sixty-one million, eight hundred forty thousand, seven hundred twenty-two".