21734475360 has 96 divisors (see below), whose sum is σ = 73730049120. Its totient is φ = 5350023168.

The previous prime is 21734475359. The next prime is 21734475377. The reversal of 21734475360 is 6357443712.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735305 + ... + 1747784.

It is an arithmetic number, because the mean of its divisors is an integer number (768021345).

Almost surely, 2^21734475360 is an apocalyptic number.

21734475360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21734475360 is an abundant number, since it is smaller than the sum of its proper divisors (51995573760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21734475360 is a wasteful number, since it uses less digits than its factorization.

21734475360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483120 (or 3483112 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 21734475360 in words is "twenty-one billion, seven hundred thirty-four million, four hundred seventy-five thousand, three hundred sixty".