21734425476 has 27 divisors (see below), whose sum is σ = 54942033783. Its totient is φ = 7244513640.

The previous prime is 21734425459. The next prime is 21734425547. The reversal of 21734425476 is 67452443712.

The square root of 21734425476 is 147426.

It is a perfect power (a square), and thus also a powerful number.

21734425476 is a `hidden beast` number, since 2 + 173 + 4 + 4 + 2 + 5 + 476 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 872271 + ... + 896841.

Almost surely, 2^21734425476 is an apocalyptic number.

21734425476 is the 147426-th square number.

It is an amenable number.

21734425476 is an abundant number, since it is smaller than the sum of its proper divisors (33207608307).

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

21734425476 is an frugal number, since it uses more digits than its factorization.

21734425476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152 (or 24576 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 21734425476 in words is "twenty-one billion, seven hundred thirty-four million, four hundred twenty-five thousand, four hundred seventy-six".