21760073473705 has 16 divisors (see below), whose sum is σ = 29953324730880. Its totient is φ = 14865724112832.

The previous prime is 21760073473687. The next prime is 21760073473709. The reversal of 21760073473705 is 50737437006712.

It is a cyclic number.

It is not a de Polignac number, because 21760073473705 - 2⁵ = 21760073473673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21760073473709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155597249 + ... + 1155616078.

It is an arithmetic number, because the mean of its divisors is an integer number (1872082795680).

Almost surely, 2^{21760073473705} is an apocalyptic number.

It is an amenable number.

21760073473705 is a deficient number, since it is larger than the sum of its proper divisors (8193251257175).

21760073473705 is a wasteful number, since it uses less digits than its factorization.

21760073473705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311213608.

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 21760073473705 in words is "twenty-one trillion, seven hundred sixty billion, seventy-three million, four hundred seventy-three thousand, seven hundred five".