7421405564 has 12 divisors (see below), whose sum is σ = 13012296024. Its totient is φ = 3703606704.

The previous prime is 7421405527. The next prime is 7421405587. The reversal of 7421405564 is 4655041247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771667 + ... + 1775850.

It is an arithmetic number, because the mean of its divisors is an integer number (1084358002).

Almost surely, 2^7421405564 is an apocalyptic number.

It is an amenable number.

7421405564 is a deficient number, since it is larger than the sum of its proper divisors (5590890460).

7421405564 is a wasteful number, since it uses less digits than its factorization.

7421405564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548044 (or 3548042 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 7421405564 is about 86147.5801401293. The cubic root of 7421405564 is about 1950.5723118736.

The spelling of 7421405564 in words is "seven billion, four hundred twenty-one million, four hundred five thousand, five hundred sixty-four".